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CV Raman Essay

CV Raman represented and contributed significantly to India's scientific community as he was well-versed in philosophical thought and had an exquisite attention to detail. His discovery of the Raman Effect changed the world of science and made him the first ever Indian to be awarded the Nobel Prize in Physics in 1930. Here are a few sample essays on ‘ CV Raman ’.

100 Words On Essay On CV Raman

200 words on essay on cv raman, 500 words on essay on cv raman.

Since his father taught physics and mathematics at AV Narasimha Rao College in Visakhapatnam, CV Raman was raised in an academic environment. Raman was a dedicated student. He enrolled in the Presidency College in Madras in 1902, and in 1904 he successfully completed his BA programme, earning first place and a gold medal in Physics. He received the highest honours when he earned his MA in 1907. His early studies in optics and acoustics—the two areas of study to which he devoted his whole professional life—were conducted while he was still a student. Raman's primary study was on musical instruments and acoustics, which helped him be elected as a fellow of the Royal Society in 1924.

Early Life | C. V. Raman was born in Madras Province, India on November 7, 1888 in Thiruvanaikoil, Tiruchirappalli. His full name was Chandrasekhara Venkata Raman. He was the son of Parvati Ammal and R. Chandrasekhara Ver. His father taught physics and mathematics at Presidency College in Madras. His early studies in optics and acoustics were conducted while he was still a student. Raman began working for the Indian Finance Department in 1907 after finding that a scientific career did not appear to give the best opportunities at the time. Raman found opportunities to do experimental research in the lab of the Indian Association for the Cultivation of Sciences in Calcutta, despite his office duties consuming the majority of his time.

Accomplishments | The advancement of science in India was influenced by the work of Indian physicist C. V. Raman. In 1930, he became the first Indian scientist to receive the prestigious Nobel Prize in Physics. His discovery is commonly referred to as the "Raman effect" or "Raman scattering," which is the inelastic scattering of a photon. He received numerous honorary doctorates and memberships in prestigious scientific institutions. He passed away in Bangalore on November 21, 1970, at the age of 82. In India, National Science Day is observed on February 28 every year to commemorate the day that Indian scientist Sir Chandrasekhara Venkata Raman discovered the Raman phenomenon.

CV Raman was the first Indian and Asian to be awarded the Physics Nobel Prize. Most importantly, he accomplished this while India was not well-known in the scientific community.

The Raman Effect

In 1928, while researching how light refracts in different materials, he discovered that when a transparent substance is lit by a beam of light of a particular frequency, a small amount of the light exits at right angles to the original direction, some of which is of a different frequency from the incident light. The energies connected to changes in rotational and vibrational states in the scattering material were named as Raman frequencies. In short, the Raman effect, discovered by C.V. Raman, occurs when light that shines through a material is scattered and its wavelength varies from that of the original incident light due to interactions with the molecules in the substance.

Academic Contribution

Raman received his knighthood in 1929, and in 1933 he relocated to the Indian Institute of Science in Bangalore to take over the physics department. He was appointed the Raman Research Institute's director there in 1947, and in 1961 he was elected a member of the Pontifical Academy of Science. He helped establish almost all Indian research institutions during his lifetime, founded the Indian Journal of Physics and the Indian Academy of Sciences, and mentored hundreds of students who went on to hold significant positions in academic institutions and government in India and Myanmar (Burma).

His Work and Achievements

After spending 15 years in Calcutta, he moved to Bangalore to work as a professor at the Indian Institute of Science (1933–1948), and in 1948 he was appointed director of the Raman Institute of Research, which he had founded and endowed. The Indian Association for the Cultivation of Sciences appointed him as Honorary Secretary. In 1926, he also started the Indian Journal of Physics, serving as its Editor. Raman supported the creation of the Indian Academy of Sciences and presided over it. He also served as the president of the Bangalore Current Science Association. Raman had produced credible work in his discipline, and the Indian Association for the Cultivation of Sciences published his early autobiographies. These addressed the maintenance of vibrations and the theory of violin-family musical instruments. He presented a paper on the "Molecular Diffraction of Light" in 1922, marking the beginning of a series of studies with his associates that eventually resulted in the discovery of the radiation effect, which bears his name. He won the 1930 Nobel Prize in Physics for this work. He and Suri Bhagavantam made the quantum photon spin discovery in 1932.

Raman lost consciousness in his lab at the end of October 1970. He pulled through and requested to be moved from the hospital to his institute's grounds. On November 21st, 1970, he passed away. His life served as an example of how hard work, dedication, and patience can lead to success. A new era of higher science began with him, and he set the example for others to follow.

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C.V. Raman: The Raman Effect

C.V. Raman and the Raman Effect

International historic chemical landmark.

Designated December 15, 1998, at the Indian Association for the Cultivation of Science in Jadavpur, Calcutta, India.

Commemorative Booklet (PDF)

"I propose this evening to speak to you on a new kind of radiation or light emission from atoms and molecules." With these prophetic words, Professor C. V. Raman of Calcutta University began his lecture to the South Indian Science Association in Bangalore on March 16, 1928. Raman proceeded to describe a discovery that resulted from a deceptively simple experiment. Conducted far from the great centers of scientific research in the Western world, the results would capture the attention of scientists around the world and bring many accolades, including the Nobel Prize, to their discoverer.

Raman’s Fascination with Light Scattering

Raman measures the effect of light scattering, raman effect as the physicist’s tool.

Raman Effect as the Chemist’s Tool

The Laser and Raman Spectroscopy

Biography of sir c.v. raman, further reading, landmark designation and acknowledgments, cite this page.

Educated entirely in India, C.V. Raman made his first trip to London in 1921, where his reputation in the study of optics and especially acoustics was already known to the English physicists J. J. Thomson and Lord Rutherford, who gave him a warm reception. Raman's specialty had been the study of the vibrations and sounds of stringed instruments such as the violin, the Indian veena and tambura, and two uniquely Indian percussion instruments, the tabla and the mridangam.

But it was the return trip from London to Bombay aboard the SS Narkunda that would change forever the direction of Raman's future. During the fifteen-day voyage, his restless and probing mind became fascinated with the deep blue color of the Mediterranean. Unable to accept Lord Rayleigh's explanation that the color of the sea was just a reflection of the color of the sky, Raman proceeded to outline his thoughts on the matter while still at sea and sent a letter to the editors of the journal Nature when the ship docked in Bombay.

A short time later Raman was able to show conclusively that the color of the sea was the result of the scattering of sunlight by the water molecules. Ironically, it was exactly the same argument that Rayleigh had invoked when explaining the color of the sky — the blue was the result of the scattering of sunlight by the molecules in the air.

Raman was now obsessed with the phenomenon of light scattering. His group in Calcutta began an extensive series of measurements of light scattered primarily by liquids but also by some solids. As a result, Raman was able to explain the blue color observed in the ice of Alpine glaciers.

“The Raman Effect” commemorative booklet

Analysis of light scattered by a liquid is not an easy task, and much of the early work in Calcutta was done by the visual observation of color rather than precise measurements of the light's wavelength as shown in Figure 1 at right. The fundamentals of Raman's crucial experiment are outlined in Figure 2.

The violet light of the solar spectrum is isolated with a violet filter and passed through the liquid sample. Most of the light emerging from the liquid sample is the same color as the incident violet beam: the so-called Rayleigh scattered light. However, Raman and K. S. Krishnan were able to show that some of the scattered light was a different color, which they could isolate by using a green filter placed between the observer and the sample. The advantage of using a visual observation is that several substances can be studied quickly. In his first report to Nature , titled "A New Type of Secondary Radiation," Raman indicated that approximately 60 different liquids had been studied, and all showed the same result — some scattered light had a different color than the incident light. "It is thus," Raman said, "a phenomenon whose universal nature has to be recognized."

The Raman Effect is a very weak effect; only one in a million of the scattered light particles, or photons, actually exhibits the change in wavelength. This explains, in part, why the effect was not discovered earlier. In all of the early light-scattering studies, the excitation source was sunlight, which Raman has described as being plentiful in Calcutta, but it still lacked the desired intensity. The acquisition in 1927 by the IACS of a seven-inch (18 cm) refracting telescope enabled Raman to condense the sunlight and create a more powerful light source for his studies. By early 1928, mercury arc lamps were commercially available, and he switched to this even more intense light source.

Raman knew that visual and qualitative observations alone would not be sufficient information. He methodically set out to measure the exact wavelengths of the incident and Raman scattering by replacing the observer with a pocket spectroscope. He ultimately replaced it with a quartz spectrograph with which he could photograph the spectrum of the scattered light and measure its wavelength. These quantitative results were first published in the Indian Journal of Physics on March 31, 1928.

Figure depicting the separation of colors from sunlight using a glass prism.

The significance of the Raman Effect was recognized quickly by other scientists. Professor R. W. Wood of Johns Hopkins cabled Nature to report that he had verified Raman's "brilliant and surprising discovery ... in every particular. It appears to me that this very beautiful discovery which resulted from Raman's long and patient study of the phenomenon of light scattering is one of the most convincing proofs of the quantum theory."

Raman had also recognized that his discovery was important to the debate in physics over the new quantum theory, because an explanation of the new radiation required the use of photons and their change in energy as they interacted with the atoms in a particular molecule. Raman also knew that there was a more important result, remarking in his 1930 Nobel Prize address that "... the character of the scattered radiations enables us to obtain an insight into the ultimate structure of the scattering substance."

In the first seven years after its discovery, the Raman Effect was the subject of more than 700 papers in the scientific literature, mostly by physicists who were using the technique to study the vibration and rotation of molecules and relating those phenomena to the molecular structure. Then, as noted by Raman biographer G. Venkataraman, there was a decline in interest, as "the first bloom of novelty had worn off and physicists were satisfied that they understood the origin of the effect." At the same time, chemists became interested in the Raman Effect as an analytical tool. In James Hibben's words, "The Raman Effect became the adopted child of chemistry."

Raman Effect as a Chemist’s Tool

By the late 1930s the Raman Effect had become the principal method of nondestructive chemical analysis for both organic and inorganic compounds. The unique spectrum of Raman scattered light for any particular substance served as a "fingerprint" that could be used for qualitative analysis, even in a mixture of materials. Further, the intensity of the spectral lines was related to the amount of the substance. Raman spectroscopy could be applied not only to liquids but also to gases and solids. And unlike many other analytical methods, it could be applied easily to the analysis of aqueous solutions. It was a ubiquitous technique, giving information on what and how much was present in a plethora of samples.

The use of Raman spectroscopy as a basic analytical tool changed sharply after World War II. During the war, infrared spectroscopy was enhanced by the development of sensitive detectors and advances in electronics. Infrared measurements quickly became routine operations, while Raman measurements still required skilled operators and darkroom facilities.

Raman spectroscopy could no longer compete with infrared until another development in physics — the laser — revived Raman spectroscopy in a new form beginning in the 1960s.

Raman understood the need for more intense light sources to amplify the effect and observation of the scattered light. The laser provided an even more intense source of light that not only could serve as a probe exploring the properties of the molecule but could also induce dramatically new effects.

With the development of the Fourier transform (FT) technique and the application of computers for data handling, commercial FT-Raman spectrometers became available in the late 1980s, resulting in resurgence in the use of the original Raman Effect.

The new Raman spectroscopy has been used to monitor manufacturing processes in the petrochemical and pharmaceutical industries. Illegal drugs captured at a crime scene can be analyzed rapidly without breaking the evidence seal on the plastic bag. Chemists can watch paint dry and understand what reactions are occurring as the paint hardens. Using a fiber-optic probe, they can analyze nuclear waste material from a safe distance. Photochemists and photobiologists are using laser Raman techniques to record the spectra of transient chemical species with lifetimes as small as 10 -11 seconds. Surface-enhanced Raman spectroscopy is used for studying surfaces and reactions on surfaces. And, according to Kathy Kincade, Raman spectroscopy "has the ability to provide specific biochemical information that may foreshadow the onset of cancer and other life-threatening illnesses."

In his 1928 talk in Bangalore, Raman concluded, "We are obviously only at the fringe of a fascinating new region of experimental research which promises to throw light on diverse problems relating to radiation and wave theory, X-ray optics, atomic and molecular spectra, fluorescence and scattering, thermodynamics, and chemistry. It all remains to be worked out."

Seventy years later scientists are still actively working out the results and practical applications of Raman's deceptively simple experiment.

According to Hindu tradition, Raman was originally named Venkataraman after a Hindu deity, preceded by the initial of his father's first name, Chandrasekhara. In school his name was split to C. Venkata Raman, which later became C.V. Raman. With a father who was a professor of physics and mathematics and a mother who came from a family of Sanskrit scholars, Raman exhibited a precocious nature at an early age. He received a B.A. degree from Presidency College in Madras at the age of 16, placing first in his class and receiving a gold medal in physics.

While studying for his M.A. degree, he published his first research paper in Philosophical Magazine at the age of 18. It was the first research paper ever published from Presidency College.

Because of poor health, he was unable to go to England for further education. With nothing else available in India, in 1907 he passed the Financial Civil Service exam, married, and was posted to Calcutta as assistant accountant general.

Shortly after arriving in Calcutta, Raman began after-hours research at the Indian Association for the Cultivation of Science (IACS). In the first 10 years, working almost alone, he published 27 research papers and led the way for the IACS to become recognized as a vibrant research institute. Much of this early work was on the theory of vibrations as it related to musical instruments. After brief postings in Rangoon and Nagpur, he returned to Calcutta, took up residence next door to the IACS, and constructed a door that led directly into the institute, giving him access at any time. He received research prizes in 1912 and 1913 while he was still a full-time civil servant. He also increased the IACS reputation with his extensive lectures in popular science, holding the audience spellbound with his booming voice, lively demonstrations, superb diction and rich humor.

At the age of 29 he resigned from his lucrative civil service job when Sir Ashutosh Mukherjee, vice-chancellor, Calcutta University, offered him the Palit Chair Professorship. He continued to lecture even though it was not required, and he used the IACS as the research arm of the university. By the time of his first visit to England in 1921, his reputation in physics was well known. Three years later he was elected a Fellow of the Royal Society — only the fourth Indian so honored. That same year he toured the United States, spending four months at the California Institute of Technology through the invitation of Nobel Laureate Robert Millikan.

After discovering the Raman Effect in 1928, he was knighted by the British government in India and received the Nobel Prize in physics in 1930. Three years later, Raman left Calcutta for Bangalore, where he served as head of the Indian Institute of Science. There he continued his work on the Raman Effect and became interested in the structure of crystals, especially diamond. In 1934 he founded the Indian Academy of Science and began the publication of its Proceedings .

In 1948 he became director of the newly constructed Raman Research Institute, where he remained continually active, delivering his last lecture just two weeks before his death. His research interests changed in later years when he primarily investigated the perception of color.

Jagdish Mehra, a biographer, states, "Educated entirely in India, Raman did outstanding work at a time when the small Indian community worked almost entirely in isolation and few made science a career. In fostering Indian science, Raman emerged as one of the heroes of the Indian political and cultural renaissance, along with ... Mahatma Gandhi and Jawaharlal Nehru." But as Raman himself once said, outstanding investigators "are claimed as nationals by one or another of many different countries. Yet in the truest sense they belong to the whole world."

Indian Association for the Cultivation of Science
Sir Chandrasekhara Venkata Raman (nobelprize.org)

Landmark Designation

The American Chemical Society and the Indian Association for the Cultivation of Science dedicated The Raman Effect an International Historic Chemical Landmark on December 15, 1998 at the Indian Association for the Cultivation of Science in Jadavpur, Calcutta, India. The plaque commemorating the event reads:

At this institute, Sir C. V. Raman discovered in 1928 that when a beam of coloured light entered a liquid, a fraction of the light scattered by that liquid was of a different color. Raman showed that the nature of this scattered light was dependent on the type of sample present. Other scientists quickly understood the significance of this phenomenon as an analytical and research tool and called it the Raman Effect. This method became even more valuable with the advent of modern computers and lasers. Its current uses range from the non-destructive identification of minerals to the early detection of life-threatening diseases. For his discovery Raman was awarded the Nobel Prize in physics in 1930.

Acknowledgments

Adapted for the internet from "The Raman Effect,” produced by the National Historic Chemical Landmarks program of the American Chemical Society in 1998.

American Chemical Society International Historic Chemical Landmarks. The Raman Effect. http://www.acs.org/content/acs/en/education/whatischemistry/landmarks/ramaneffect.html (accessed Month Day, Year).

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Learn more: About the Landmarks Program .

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CV Raman Essay | Essay on CV Raman for Students and Children in English

February 12, 2024 by sastry

CV Raman Essay: Steeped in intellectual thought with an illustrious eye for detail, he represented India’s scientific temper. He is the first Asian and the foremost Indian to win the Nobel Prize in Physics. Most importantly, he did this at a time when India was little known in the field of Sciences. A man of immense calibre and a pool of talent, he can be none other than Chandrasekhara Venkata Raman. – The Intellectual Gem

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Long and Short Essays on CV Raman for Kids and Students in English

Given below are two essays in English for students and children about the topic of ‘CV Raman’ in both long and short form. The first essay is a long essay on the CV Raman of 400-500 words. This long essay about CV Raman is suitable for students of class 7, 8, 9 and 10, and also for competitive exam aspirants. The second essay is a short essay on CV Raman of 150-200 words. These are suitable for students and children in class 6 and below.

Long Essay on CV Raman 500 Words in English

Below we have given a long essay on CV Raman of 500 words is helpful for classes 7, 8, 9 and 10 and Competitive Exam Aspirants. This long essay on the topic is suitable for students of class 7 to class 10, and also for competitive exam aspirants.

Born at Trichinopoly in Tamil Nadu on 7th November, 1888, his father was a lecturer in Mathematics and Physics, in Mrs AV Narasimha Rao College, Visakhapatnam, and later joined Presidency College, Madras. His maternal grandfather was a Sanskrit scholar, well versed in ‘navya nyaya’ or modern logic.

So, from an early age, he was immersed in an academic atmosphere. He was a diligent student. He entered the Presidency College, Madras, in 1902, and in 1904 passed his BA examination, winning the first place and a gold medal in Physics. In 1907, he gained his MA degree, obtaining the highest distinctions. His earliest researches in optics and acoustics—the two fields of investigation to which he dedicated his entire career were carried out while he was a student. Since at that time a scientific career did not appear to offer the best possibilities, Raman joined the Indian Finance Department in 1907. Though the duties of his office took most of his time, Raman found opportunities for carrying on experimental researches in the laboratory of the Indian Association for the Cultivation of Sciences at Calcutta.

In 1917, he was offered the newly endowed Palit Chair of Physics at Calcutta University, and decided to accept it. Raman’s main research was focussed on acoustics and musical instruments, and led to his election as fellow of the Royal Society in 1924. It was during a trip to England in 1921 that he was fascinated by the blue colour of the Mediterranean.

With a very simple experiment, he convinced himself that the blue colour of the sea was not only due to the reflection of the sky, as proposed by Lord Rayleigh, but mainly due to the scattering of light by water molecules. On his return to Calcutta, he began a systematic study of the scattering of light by different liquids, culminating in the discovery of a totally new kind of radiation, predicted by the quantum theory and named after him.

There Raman radiations carry vital information about the internal structure of the scattering molecules, and have proved to be of immense importance in studying molecular structures. His efforts finally paid off when he was awarded the Nobel Prize in Physics in 1930, the first to be ever won by an Indian. Thereafter, he became the Honorary Secretary of the Indian Association for the Cultivation of Sciences. After 15 years in Calcutta, he became Professor at the Indian Institute of Science at Bangalore (1933-1948) and in 1948, he became the Director of the Raman Institute of Research at Bangalore, established and endowed by himself. He also founded the Indian Journal of Physics in 1926, of which he was the Editor.

Raman sponsored the establishment of the Indian Academy of Sciences and served as its President since its inception. He was also the President of the Current Science Association, Bangalore, which publishes Current Science. (India)

Raman has done credible work in his field and his early memoirs appeared as Bulletins of the Indian Association for the Cultivation of Sciences. These dealt with the maintenance of vibrations and the theory of musical instruments of the violin family. In 1922, he published his work on the ‘Molecular Diffraction of Light’, the first of a series of investigations with his collaborators which ultimately led to the discovery, on 28th February, 1928, of the radiation effect, which is named after him. This work bagged him the 1930 Nobel Prize in Physics.

Some other investigations which propelled the world of science during his time were the experimental and the theoretical studies on the diffraction of light by acoustic waves of Ultrasonic and Hypersonic frequencies. In 1932, he and Suri Bhagavantam discovered quantum photon spin. During his term at IISc, he admitted the talented electrical engineering student, GN Ramachandran, who went on to become a recognised X-ray crystallographer.

Short Essay on CV Raman 200 Words in English

Below we have given a short essay on CV Raman is for Classes 1, 2, 3, 4, 5 and 6. This short essay on the topic is suitable for students of class 6 and below.

In 1948, Raman, through studying the spectroscopic behaviour of crystals, approached fundamental problems of crystal dynamics in a new manner. His laboratory has been dealing with the structures and properties of diamond, the structure of optical behaviour of numerous iridescent substances like opal and pearls.

This luminous star in the firmament of the scientific fraternity has been honoured with a large number of honorary doctorates and memberships of scientific societies. He was elected as a fellow of the Royal Society in 1924 and knighted in 1929. In 1941, he was awarded the Franklin Medal. In 1954, he was conferred upon, the Bharat Ratna. He got the Lenin Peace Prize in 1957.

Another big honour was that the American Chemical Society and IACS recognised his discovery as an International Historic Chemical Landmark. India celebrates National Science Day every year on 28th February to remember the discovery of Raman effect that took place in 1928.

At the end of October, 1970, he collapsed in his laboratory. Doctors gave him four hours to live. He survived and asked to be shifted from the hospital to the gardens of his institute. He passed away on 21 st November, 1970. His life was a testimony to hard work, patience and perseverance for achieving one’s goals. One should also be level headed and not go overboard on attaining success. With him, dawned an era of high quality science, and he showed the light for others to follow.

CV Raman Essay Word Meanings for Simple Understanding

Illustrious – very famous and much admired, especially because of what you have achieved
Diligent – showing care and effort in your work or duties
Optics – the scientific study of sight and light
Acoustics – the shape, design, etc. of a room or theatre that make it good or bad for carrying sound
Endowed – to give a large sum of money to a school, a college or another institution to provide it with an income
Inception – the start of an institution, an organisation, etc.
Propelled – to move, drive or push something forward or in a particular direction
Diffraction – breaking up of stream of light into a series of dark and light bands or the different colours of the spectrum
Spectroscopic – a piece of equipment for forming and looking at spectra
Iridescent – showing many bright colours that seem to change in different lights
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C. v. raman: essay on c. v. raman (760 words).

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Read this comprehensive essay on Chandrasekhar Venkata Raman (1888 A.D. – 1970 A.D.) !

The Great Indian physicist Chandrasekhar Venkata Raman, popularly known as C.V Raman, was born on 7 th November, 1888 at Trichirapalli in Tamil Nadu. His father was a physics teacher and so it was natural that Raman developed love for this subject. He was a brilliant student from the very beginning. As a brilliant and promising lad, he passed his matriculation examination at the young age of 12 from Madras University.

His parents wanted to sent him England for higher studies but his poor health did not allow it. He studied at Hindu College, Visakhapatnam and Presidency College, Madras. He obtained his post-graduation degree in physics in 1907 with the top position. During his student period he conducted many researches and published his papers in many reputed magazines.

His interest in physics was deep and lasting and so he continued his research work in his spare time in the laboratory of the Association. He published his research results in the leading journals of Calcutta, now Kolkata which were in regard to the subject of propagation of light. These original research papers were of great scientific significance.

When these came to the notice of the then Vice -Challenger of Calcutta University, Sir Ashutosh Mukharjee, he appointed him Professor of physics in the University. During his stay at the University he continued his research with much more devotion and won immense honour and recognition as a physicist.

He was elected the Fellow of the Royal Society of London in 1924. He discovered the “Raman Effect” in 1928. For it he was awarded the Nobel Prize for Physics in 1930. He became the first Indian to win this prestigious honour. With this award, his reputation increased by leaps and bounds and many Universities and institutions of repute honoured him with Ph D and D.Sc. degrees.

In December, 1927 he was busy in laboratory when the news came that the well-known physicist A.M. Compton was awarded the Nobel Prize for demonstrating that the nature of X-rays undergoes a change when passed through a matter.

This effect came to be known as the “Compton Effect.” Encouraged by this discovery, Raman continued his experiments and ultimately proved that light rays can also be scattered. His discovery enabled for the first time, the mapping of possible levels of energy gains of molecules and atoms of a substance and thus discovered their molecules and atomic structure. This discovery of the scattering of light led to the development of a simple alternative to infra-red spectroscopy, namely, Raman Spectroscopy.

Raman Effect happens when molecules of a medium scatter light energy particles known as photons. The spectrum varies with the nature of the transparent medium used to scatter the light. Raman Effect has proved to be of great scientific value and with its help the structure of more than 200 compounds has been known. He also gave us the scientific explanation for the blue colour of the sky and the ocean.

He explained that the blue color of the ocean was as a result of the scattering of sunlight by the molecules of the water. He travelled widely abroad delivering lectures about his discoveries and researches. In 1933 he became the Director of the Indian Institute of Sciences, Bangalore. In 1943 he founded the Raman Research Institute at Bangalore. He was knighted in 1927. He was awarded the Bharat Ratna in 1954 and the International Lenin Prize in 1957.

Raman was a born genius and a self-made man and scientist with deep religious convictions. His interests were wide and deep and so were his contributions to the human knowledge and development. Besides optics, he was deeply interested in acoustics—the science and study of sound.

His contributions to the mechanical theory of bowed, stringed and other musical instruments like violin, sitar, cello, piano, veena, Tanpura and mridangam have been very significant. He explained in detail how these musical instruments produce harmonious tones and notes. He died on November 21, 1970 at the ripe age of 82 at Bangalore and his mortal remains were consigned to flames in the campus of the Raman Research Institute.

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Who is C.V. Raman?

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The Nobel Prize - Biography of Sir Chandrasekhara Venkata Raman
ACS Publications - Recent Advances in Enhancement of Raman Scattering Intensity for Biological Applications
Famous Scientists - C. V. Raman
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C.V. Raman - Student Encyclopedia (Ages 11 and up)

C.V. Raman was an Indian physicist who won the Nobel Prize for Physics in 1930 for his discovery of what became known as the Raman effect . He significantly influenced the growth of science in India through his teaching, his support of nearly every Indian research institution of his time, and his founding of the Indian Academy of Sciences.

What did C.V. Raman discover?

C.V. Raman discovered the Raman effect , which occurs when light that shines through a material is scattered and its wavelength changes from that of the original incident light because of its interactions with the molecules in the material.

Why did C.V. Raman win the Nobel Prize?

C.V. Raman was awarded the 1930 Nobel Prize in Physics for his discovery of the Raman effect , in which light that passes through a material is scattered and the wavelength of the scattered light is changed because it has caused an energy state transition in the material’s molecules .

Recent News

C.V. Raman (born November 7, 1888, Trichinopoly , India—died November 21, 1970, Bangalore) was an Indian physicist whose work was influential in the growth of science in India . He was the recipient of the Nobel Prize for Physics in 1930 for the discovery that when light traverses a transparent material, some of the light that is deflected changes in wavelength. This phenomenon is now called Raman scattering and is the result of the Raman effect .

After earning a master’s degree in physics at Presidency College, University of Madras , in 1907, Raman became an accountant in the finance department of the Indian government. He became professor of physics at the University of Calcutta in 1917. Studying the scattering of light in various substances, in 1928 he found that when a transparent substance is illuminated by a beam of light of one frequency, a small portion of the light emerges at right angles to the original direction, and some of this light is of different frequencies than that of the incident light. These so-called Raman frequencies are the energies associated with transitions between different rotational and vibrational states in the scattering material.

Chandigarh. Statuettes at the Rock Garden of Chandigarh a sculpture park in Chandigarh, India, also known as Nek Chand's Rock Garden. Created by Nek Chand Saini an Indian self taught artist. visionary artist, folk artist, environmental art

Raman was knighted in 1929, and in 1933 he moved to the Indian Institute of Science, at Bangalore , as head of the department of physics. In 1947 he was named director of the Raman Research Institute there and in 1961 became a member of the Pontifical Academy of Science. He contributed to the building up of nearly every Indian research institution in his time, founded the Indian Journal of Physics and the Indian Academy of Sciences, and trained hundreds of students who found important posts in universities and government in India and Myanmar (Burma). He was the uncle of Subrahmanyan Chandrasekhar , who won the 1983 Nobel Prize for Physics, with William Fowler .

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Essay On C V Raman – 10 Lines, Short and Long Essay For Children & Students

Key Points to Remember When Writing an Essay on C V Raman

10 lines on c v raman, a paragraph on c v raman, short essay on c v raman, long essay on c v raman for kids, what will your child learn from the essay on c v raman.

Writing an essay is like setting on a journey of discovery, especially for school kids. It’s a wonderful way to explore new ideas, express thoughts, and learn about remarkable personalities who have shaped our world. Today, we’ll delve into an essay on CV Raman in English, a topic that not only educates but also inspires young minds. C V Raman, a name synonymous with brilliance in the field of science, has been a source of fascination and inspiration for students across the globe. Writing an essay for school kids on such a luminary not only enhances their knowledge but also kindles a spark of curiosity and admiration for the wonders of science and the people behind these discoveries. So, let’s begin our delightful journey through the life and accomplishments of Sir C V Raman, a Nobel laureate whose work continues to illuminate the world of physics.

Writing an essay on a distinguished personality like Sir C V Raman can be an enlightening experience. It’s crucial to present information in a way that’s both informative and captivating, especially for young minds. Here are some key points to keep in mind to make your essay on CV Raman engaging and informative:

Understand the Subject: Before you begin writing, make sure you have a good grasp of who C V Raman was. Research his life, his discoveries, and why he is such a significant figure in science.
Structure Your Essay: Organize your essay with a clear introduction, body, and conclusion. The introduction should set the tone and give a brief overview of CV Raman. The body should cover his life, achievements, and contributions in detail, while the conclusion should summarize his impact and legacy.
Use Simple Language: Remember, your audience is primarily school children. Use simple, easy-to-understand language.
Incorporate Interesting Facts: To make your essay more engaging, include interesting facts about CV Raman’s life and discoveries. This could be anecdotes about his experiments or lesser-known facts about his personal life.
Explain Scientific Concepts Clearly: If you discuss the Raman Effect or other scientific concepts, explain them in a way that is easy for children to understand. Use analogies or simple examples.
Highlight His Achievements: Discuss the awards and recognitions received by CV Raman, including the Nobel Prize in Physics, to inspire and motivate young readers.
Mention His Legacy: Conclude by talking about how CV Raman’s work continues to influence modern science. This could include his impact on research or how he inspires current scientists .
Proofread and Edit: Ensure your essay is free from grammatical errors and is well-edited. A well-written essay is more engaging and easier to understand.
Add Personal Reflections: If possible, include personal reflections or thoughts on how CV Raman’s work or character inspires you. This adds a personal touch to your essay, making it more relatable for young readers.

Exploring the life of a great scientist can be both educational and exciting, especially for younger students. In our 10 lines about CV Raman, we aim to capture the essence of his achievements in a concise yet engaging way. This section is particularly tailored as an essay for lower primary classes, offering a simple yet informative glimpse into the life of this renowned physicist.

C V Raman was a renowned Indian physicist, born on November 7, 1888, in Tiruchirapalli, India.
He showed an early interest in science and was a brilliant student throughout his academic career.
Raman completed his college education at a very young age and started his research in the field of physics.
He is most famous for his groundbreaking work in the field of light scattering, known as the ‘Raman Effect’.
For his discovery of the Raman Effect, he was awarded the Nobel Prize in Physics in 1930.
His work helped scientists understand more about how light interacts with matter.
Apart from the Nobel Prize, he received numerous other awards and honors for his contributions to science.
Raman was also a professor and mentor, inspiring many young scientists in India and abroad.
He founded the Raman Research Institute in Bangalore, where he continued his research until his death.
C V Raman passed away on November 21, 1970, but his legacy continues to inspire scientists and students around the world.

Delving into the lives of eminent scientists not only enriches our knowledge but also inspires us. In this section, we’ll craft an essay in 100 words about Sir C V Raman, focusing on his major contributions and the impact he had on the world of science. This succinct paragraph aims to capture the essence of Raman’s life, making it an ideal read for anyone looking to understand his significance in a brief yet comprehensive manner.

Sir C V Raman, an Indian physicist and Nobel laureate, was a pioneering figure in the world of science. Born in 1888, he displayed exceptional academic brilliance from a young age. His most notable contribution, the ‘Raman Effect’, which he discovered in 1928, revolutionized the understanding of light and matter interaction. This groundbreaking discovery earned him the Nobel Prize in Physics in 1930, making him the first Asian to receive this honor in the field of science. Raman was not only a scientist but also an educator, inspiring many through his teachings and research. His legacy continues to influence contemporary physics, making him a towering figure in scientific history. His life and work remain a source of inspiration for aspiring scientists worldwide, illustrating the power of curiosity and perseverance.

Exploring the achievements of great scientists is not only informative but also deeply inspiring. In this short essay in 200 words, we aim to shed light on the life and legacy of Sir C V Raman, an extraordinary physicist whose discoveries have left an indelible mark on science. This concise essay is designed to provide a comprehensive overview of his life’s work and its significance.

Sir Chandrasekhara Venkata Raman, more commonly known as C V Raman, was a figure who revolutionized the understanding of light and its behavior. Born in 1888 in the then British India, Raman displayed an early passion for science, leading him to a career that would be marked by extraordinary achievements. His most significant contribution came in the form of the ‘Raman Effect’, a phenomenon in light scattering that he discovered in 1928. This discovery not only earned him the Nobel Prize in Physics in 1930, but it also put India on the global map of scientific research.

Raman’s work extended beyond just theoretical physics; he was deeply involved in practical research and teaching. He founded the Raman Research Institute in Bangalore, where he nurtured future generations of scientists. His passion for science was contagious, inspiring many young minds to pursue careers in research. Raman’s legacy is not limited to his scientific contributions; he left behind a legacy of curiosity, dedication, and a relentless pursuit of knowledge. His life story is a testament to the power of perseverance and passion in achieving greatness. As we reflect on his contributions, Raman’s story continues to inspire and motivate scientists and students alike, making him an enduring figure in the annals of scientific history.

Exploring the life of a legendary scientist like Sir C V Raman is an exciting adventure into the world of discovery and innovation. This long essay, spanning 400-600 words, is specifically crafted for kids to understand and appreciate the extraordinary journey of C V Raman. From his early years to his groundbreaking discoveries and notable achievements, this essay provides a comprehensive look into the life of a man who changed the way we understand light.

Early Life and Education

C V Raman was born on November 7, 1888, in Tiruchirappalli, Tamil Nadu, India. From a young age, Raman exhibited a deep interest in science and an exceptional intellectual capacity. He breezed through his schooling, often topping his class and showing a particular fondness for physics and mathematics. His academic brilliance led him to Presidency College, Madras, where he completed his degree in physics at the age of 16. Despite the lack of advanced scientific facilities in India at the time, Raman’s passion for physics didn’t wane. He initially took a job in the Indian Finance Department but continued to engage in scientific research in his free time, demonstrating his unwavering dedication to science.

Greatest Discoveries

The most significant of C V Raman’s discoveries was undoubtedly the ‘Raman Effect’. This phenomenon, discovered in 1928, dealt with the scattering of light and revealed new insights into the nature of light. Raman discovered that when light traverses a transparent material, some of the deflected light changes in wavelength. This discovery was groundbreaking as it provided a new tool for analyzing the molecular structure of materials. The ‘Raman Effect’ has since become a fundamental principle in the field of spectroscopy, impacting various scientific disciplines.

Achievements of C V Raman

The Nobel Prize in Physics was awarded to him in 1930 for his groundbreaking discovery of the Raman Effect, marking him as the inaugural Asian laureate in the field of science. But his accolades don’t stop there. In 1954, Raman received the Bharat Ratna, the most prestigious civilian honor in India. He also received knighthood in 1929. Beyond these honors, Raman’s greatest achievement was perhaps his role in enhancing scientific research in India. He established the Indian Academy of Sciences and the Raman Research Institute, which became hubs for scientific study and research in India, nurturing numerous young scientists and making significant contributions to the field of physics.

C V Raman passed away on November 21, 1970, at the age of 82. His death marked the end of an era in Indian science. However, his legacy continues to live on through his discoveries, his contributions to scientific institutions, and the inspiration he provides to generations of scientists. Raman’s life story is not just about scientific discovery; it is a story of perseverance, passion, and an unquenchable thirst for knowledge. His journey from a curious child to a Nobel laureate serves as an inspiration to children and adults alike, reminding us that with dedication and hard work, anyone can reach the stars.

Through this essay, kids can learn not only about the scientific achievements of C V Raman but also about the qualities that make a great scientist. His story teaches us the importance of curiosity, persistence, and the desire to explore the unknown. C V Raman’s life is a beacon of inspiration, encouraging young minds to dream big and pursue their passions with determination.

Through the essay on C V Raman, children will embark on an inspiring journey that transcends mere facts and dates. In this brief summary of CV Raman’s life, readers will discover the significance of persistence, the impact of curiosity, and the transformative potential of an individual’s unwavering commitment to scientific exploration, resulting in revolutionary breakthroughs with global implications. This essay not only educates young minds about a legendary scientist but also instills values of hard work, passion, and the endless possibilities that come with pursuing one’s dreams.

1. How to explain Raman Effects to your child?

The Raman Effect can be explained to children as a special way light behaves, changing slightly when it passes through different materials, like a secret code that tells us what the material is made of.

2. How to use Raman Effects in day-to-day life?

Raman Effect is used in everyday life mainly through technologies in devices like barcode scanners and in scientific research to understand the composition of materials.

The essay on C V Raman offers a comprehensive insight into the life of a pioneering scientist, blending scientific achievements with valuable life lessons. It serves as a source of inspiration for children, highlighting the importance of curiosity, perseverance, and the pursuit of knowledge. Through this exploration, young minds are encouraged to dream big and understand the impact one individual can have on the world through dedication and passion for science.

References:

1. Singh. R, C. V. Raman and the Discovery of the Raman Effect (Physics in Perspective); Research Gate; https://www.researchgate.net/publication/226927241_C_V_Raman_and_the_Discovery_of_the_Raman_Effect ; December 2002

2. C.V. Raman and the Raman Effect; American Chemical Society; https://www.acs.org/education/whatischemistry/landmarks/ramaneffect.html

3. Chandrasekhara Venkata Raman, 1888-1970 – Journals; Royal Society; https://royalsocietypublishing.org/doi/pdf/10.1098/rsbm.1971.0022

4. Sir Chandrasekhara Venkata Raman Biographical; The Nobel Prize; https://www.nobelprize.org/prizes/physics/1930/raman/biographical/

5. Jayaraman. A; Chandrasekhara Venkata Raman; Indian Academy of Sciences; https://www.ias.ac.in/public/Resources/Other_Publications/e-Publications/003/Chandrasekhara_Venkata_Raman.pdf

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Sir C. V. Raman: The Pioneer Of Modern Science In India

Sir C. V. Raman: The Pioneer Of Modern Science In India Blogs Home

07 Nov 2022

At a time of distress when the entire nation was struggling to be free from the shackles of oppression and cruelty, a man of science was busy making space for India on the globe.

“Look at the resplendent colours on the soap bubbles! Why is the sea blue? What makes diamond glitter? Ask the right questions, and nature will open the doors to her secrets.”

These are the words of Sir Chandrasekhara Venkata Raman, also known as Sir C V Raman, whose inquisitiveness and incessant efforts to find the answers made him the first Asian physicist to receive the Nobel prize in 1930. 7th November marks the birth anniversary of this revered scientist who discovered the Raman Effect. His discovery enabled the scientific community to move forward and better understand various natural phenomena.

Sir C V Raman was born in 1888 in Tiruchirappalli, Tamil Nadu. His father was Chandrashekhar Ramanathan. He was a lecturer of Mathematics and Physics at the Presidency College at the University of Madras. He graduated at the age of 16 from the same college. He was a brilliant student and a gold medalist. After obtaining Masters' in Physics, he secured a government job in Indian Finance Department. He continued experimental research in acoustics and optics in the laboratory of the Indian Association for the Cultivation of Science (IACS). He also published his work in leading Physics journals.

In 1917, he left his government job and became a Palit Professor of Physics at the University of Calcutta. He continued studying acoustics, the sounds of stringed instruments like violin and veena and percussion instruments like tabla and mridangam. His work earned him a good reputation among his peers in the country and internationally. On his first trip to London in 1921, he received a warm welcome from English Physicists J. J. Thomson and Lord Rutherford.

While returning to India from London via sea route, the blue colour of the sea caught his attention. Dissatisfied with Lord Railey’s explanation that the colour of the sea was blue due to the reflection of the colour of the sky, he decided to investigate the reason behind it. With his mentee K. S. Krishnan , he started studying light scattering.

His sincerity, dedication, and contribution towards the discipline of physics got recognition from the Royal Society of London when he was elected a fellow of the society in 1924. He got invited to the California Institute of Technology (Caltech) in the United States by Nobel Laureate Robert Millikan, where he spent four months studying the scattering of light. On 28th February 1928, he finally got his answer when he discovered Raman Effect, according to which the light changes its wavelength and frequency when it gets deflected by molecules. The day has been commemorated as National Science Day every year since 1987

Sir Raman was already a renowned name in the field of science but discovering the Raman effect strengthened his position in the community. He received a knighthood from the Royal Society of London in 1929, and the following year he became the first Indian scientist to be honoured with the Nobel Prize. He also headed the Indian Institute of Science (IISc), Bangalore as the first Indian director.

Sir Raman was educated in India; he did most of his research work here and went on to earn the reputation of an internationally celebrated physicist. Ernest Rutherford, who discovered the nucleus, referred to Raman’s Spectroscopy in his presidential address to the Royal Society of London.

Sir Raman dreamt of building a society in India like the Royal Society of London and other entities in the world to inculcate scientific temperament in the Indian youth. In 1934 he founded the Indian Academy of Science (IAS) in Bangalore to further the cause of science. After retiring from IISc, Sir Raman founded Raman Research Institute (RRI) to continue his research. He remained the director of RRI until his death on 21st November 1970.

He expressed his disappointment in Indian talent leaving the country to find better opportunities abroad when he said:

“My life has been an utter failure. I thought I would try to build true science in this country, but all we have is a legion of camp followers for the west.”

But he remained open to working with western physicists like Max Born and Erwin Schrodinger, both of who were Nobel Laureates. He persuaded German scientist Max Born to come to India and work for the country. He stayed for some time at IISc, but Sir Raman’s efforts to prolong his stay could not fructify.

Sir C. V. Raman was honoured on numerous platforms for his incredible contribution to advancing the sciences. After India became independent, he became the first national professor of India. He was awarded Bharat Ratna in 1954. He remains one of the few recipients to receive both the Bharat Ratna and the Nobel Prize. He received Lenin Peace Prize in 1957 in Kremlin. Several buildings and roads are also named after him in Russia.

Today, the Raman effect is used in medicine, surgery, and medical diagnosis like cancer detection. It is being used in remote sensing, geology, and mineralogy. It is used for ensuring quality control in the pharmaceutical industry. Police are also using it for forensic work. The most visible public use of Raman spectroscopy can be seen at airports, metro stations, malls, or other places of security where scanners are used to detect explosives and drugs.

Sir C. V. Raman’s discovery has proved to be a significant stepping stone to the world of science. He left us half a century ago, and his discovery will also be a century old in a few years. Still, his ideas will always remain relevant and encourage curious minds to unravel the secrets of nature.

Priyanka Todariya

https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/ramaneffect.htmlhttps://www.ias.ac.in/ https://www.jagranjosh.com/general-knowledge/chandrasekhara-venkata-raman-cv-raman-biography-1573042778-1 https://www.youtube.com/watch?v=Mme5K68m28Q

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Life Lessons from Sir CV Raman’s Quote - Nobel Laureate of India

Who is Chandrasekhara Venkata Raman (C. V. Raman)?

Meet Sir CV Raman, Sir Chandrasekhara Venkata Raman born on 7th November 1888 was a brilliant scientist who loved studying light and its behavior. He was so good at it that he won a big prize called the Nobel Prize, becoming the first Indian to do so in his field!

About Sir Raman, He came from a family that really valued education, and he did very well in school. After finishing his studies, he got a job in the finance department because India didn't have many places for scientific research back then.

But he didn't stop exploring and learning. In his free time, he did exciting experiments and research at the Indian Association of Cultivation of Science in Kolkata, a place for curious minds like his!"

Sir CV Raman's love for science and curiosity about light led to a fantastic discovery. He showed the world that when light travels through a clear material, it can change in a special way. This discovery was so remarkable that he received the Nobel Prize for it, making him a famous scientist not just in India but all around the world.

But let's go back a bit. Sir CV Raman's family believed in the power of education. This belief was like a guiding star in his life. He did exceptionally well in school, and his hunger for knowledge knew no bounds.

Sir CV Raman's journey reminds us that with dedication and curiosity, we can make incredible breakthroughs in the world of science. He's an inspiration for all of us to keep asking questions, exploring, and never giving up on our dreams."

What were C.V. Raman’s experiments?

Sir CV Raman was known for his groundbreaking experiments in the field of optics and light. One of his most famous experiments, for which he received the Nobel Prize in Physics , involved shining light through different materials and observing how it changed.

He discovered that when light passes through a transparent medium, some of it scatters and changes color. This phenomenon is now called the " Raman Effect ."

In this experiment, he used monochromatic light, which means light of a single color, and observed how it interacted with various substances. By carefully studying the changes in the light's color and properties after passing through the material, he could determine valuable information about the substance's composition and structure. This breakthrough had significant implications for the study of molecular and atomic physics.

Apart from the Raman Effect, Sir CV Raman conducted various experiments related to the properties of light, like polarization, diffraction, and interference. His work in these areas contributed to our understanding of how light behaves and interacts with matter.

What else was Sir C V Raman Interested in?

Sir C V Raman was a remarkable scientist with several unique and interesting aspects to his life and work. He just wasn’t all about The Nobel Prize for Light, so let’s see how and what Raman involved Science in his other interests?

Passion for Music: Besides science, Sir CV Raman had a great passion for music, especially Indian classical music. He played the violin and even made important contributions to the understanding of the physics of Indian musical instruments.

He loved music, like the violin, and figured out how some musical instruments work using science.

Educational Legacy: Raman's love for education extended beyond his own research. He helped establish several research institutions in India, including the Raman Research Institute in Bangalore. His legacy continues to inspire future generations of scientists.

He didn't just do science; he also built places for others to do science and learn. People still follow his example.

I nquisitive Mind: Raman's childhood was marked by his endless curiosity. He often questioned how things worked and had a deep desire to understand the world around him.

When he was a kid, he always asked questions and wanted to know how everything worked.

What are some CV Raman Quotes that Inspire Us

“I am the master of my failure. If I never fail, how will I ever learn?”

“It was poverty and the poor laboratories that gave me the determination to do the very best I could.”

“You can’t always choose who comes into your life but you can learn what lesson they teach.”

“Ask the right questions, and nature will open the door to her secrets.”

“Success can come to you by courageous devotion to the task lying in front of you.”

“If someone judges you, they are wasting space in their mind. Best part, it’s their problem.”

“The essence of the scientific spirit is to realize what a wonderful world it is that we live in.”

“The true wealth of a nation consists not in the stored-up gold but in the intellectual and physical strength of its people.”

“It is not that idealism of student days finds adequate opportunity for expression in the later life of manhood.”

“The essence of Science is independent thinking, hard work, and not equipment. When I got my Nobel Prize, I had spent hardly 200 rupees on my equipment.”

Sir C V Raman was an extraordinary scientist who discovered the magic of light, winning a Nobel Prize for it. He was the first Indian scientist to achieve this honor. He didn't stop at science; he was a music lover and explored everyday wonders.

He even helped create places for others to learn and do research. As a kid, he was always curious and wanted to understand everything. His life shows that with passion and curiosity, we can achieve amazing things in science and beyond, leaving a lasting legacy for generations to come.

FAQs on Who is Chandrasekhara Venkata Raman (C. V. Raman)?

1. When was CV Raman born and where was he born?

Chandrasekhara Venkata Raman was born on November 7, 1888, in Tiruchirappalli, India.

2. What is C.V. Raman famous for?

Sir Chandrasekhara Venkata Raman, was an Indian physicist who won the Nobel Prize in Physics in 1930 for his work on light scattering and the discovery of a new form of scattering called Raman scattering or the Raman effect.

3. Why did C.V. Raman get the Nobel Prize?

Sir CV Raman won the Nobel Prize for Physics in 1930 for his groundbreaking discovery of the "Raman Effect," which explained how light changes when it passes through different materials.

4. What was the full name of C.V. Raman?

Chandrasekhara Venkata Raman.

5. When is C.V. Raman’s Birthday?

C.V. Raman’s birthday is on 7th of November.

Life Lessons from Sir CV Raman’s Quote - Nobel Laureate of India

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Raman Award

The Raman Research Institute Trust (founded by Sir CV Raman in the year 1948), together with Innovation and Science Promotion Foundation (ISPF) has instituted the Raman Young Science Innovator Award (RYSI Award). The RYSI Award has been instituted to create interest in Science at a young age, leading to more children taking up STEM as a career. The award aims to establish Science as a Fun and interesting activity that can be explored anywhere with simple materials.

The contest is open to all children studying in standards III to X, and they can participate in one of the three categories as per the standard in which they are studying.

The contest is being conducted in two phases with the entries for the first phase have to be submitted online. Students who do not have access to the Internet can also post their entries to us at the below mentioned address to reach before 10th February. 100 shortlisted finalists from across the country will be invited to Bangalore to participate in the finals to be held on 4th March 2018.

Participants are expected to create hands-on science activities that demonstrate a principle in the selected topic. Working models, toys or experiments that help demonstrate a scientific principle maybe submitted.

The award is offered in three age groups:


1	Junior School (3rd & 4th Standard)	Rs. 20,000 for One Winner in each Category
2	Middle School (5th to 7th Standard)	Rs. 5,000 for Two Runners Up in each Category
3	High School (8th to 10th Standard)	All awardees will also be provided an Annual ThinkTac programme subscription

In each category, there will be a prize for the winner of Rs. 20,000 and a free one-year subscription to ThinkTac’s Explore annual programme, worth Rs. 6000. Two runners up prizes of Rs. 5,000 each and a free one-year subscription to ThinkTac’s Lite annual programme, worth Rs. 3500 each, will be awarded in each category. Recognition may also be given to the schools the awardees hail from. Commendable mentions/certificates will be given to other worthy finalists.

Raman Award

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The Contest How to Enter Gallery Terms & Conditions

#1 Register

Start your experiential science journey.

#2 Explore, Enjoy Science

Explore resources, experience hands-on science.

#3 Capture the Spark

Invent new or innovate an existing experiential science activity.

#4 Preliminary Submission

Develop, document and submit your innovation.

#5 Get Invited

Finals at sir c.v.raman’s house in bangalore.

#6 Win the Raman Award

Get recognised, win cash prizes and mentorship, what you need to know, what is expected.

The RYSI Award is a 3-stage process open to all children who study in Grade III-X. The idea of the award is to encourage children to create hands-on, experiential science activities that demonstrate a principle in any topic of your choice, occurring in the I to X standard national science curriculum. Working models, toys or experiments that help demonstrate the scientific principle are expected.

HOW CAN I WIN?

We are looking for the following in the innovations you submit:

Originality of the idea
Effectiveness with which it conveys the chosen topic
Ease of availability of the material used
“Fun” – how much will a child enjoy the activity?

WHAT SHOULD I DO?

You may enter Stage 2 of the RYSI Award by either getting nominated by your school OR participating in Stage 1 of the Award. Go to the process page to find out more. Understand the science behind the activity/topic and review existing experiential, hands-on activities at Arvind Gupta Toys , TACtivity , ThinkTac and other resources. Get creative, innovate an existing activity or create an entirely new one.

Nomination deadline to by-pass Stage 1 is the 30th of August, 2024. Submission Deadline for Stage 1 is the 15th of October, 2024. Submission deadline for Stage 2 is the 30th of November, 2024.

Visit the Schedule page for more details. The requirements for each stage are different and all details are available in the Process section.

Tweet with #RYSI Award. Like our page on Facebook . It is more fun with friends.

Message us on WhatsApp at +917483945803 or mail us on [email protected] .

CONTEST RULES

The important terms and conditions are provided below. Message us on WhatsApp at +917483945803 or mail us on [email protected] .

1. ELIGIBILITY

The RYSI contest is open to all students studying in III – X standards. The children should not be younger than 8 years and older than 16 years. Home-schooled children in this age group can also participate. The award is only open to individual children and groups are not eligible.

2. HOW TO ENTER

There are two ways to participate:

Get nominated by your school. a maximum of 3 students can be nominated per grade for each participating school. The nomination page for teachers is set up here . The school may use any internal criteria of their choice to select students. All co-ed schools need to select a minimum of one female student per grade. By getting nominated, a student is automatically put into Stage 2 of the Raman Awards.
Those who don’t get nominated by their school may still participate in the Raman Awards by participating in Stage 1 of the RYSI Award. For more details, go to the Process page.

Our judges includes eminent scientists and qualified volunteers. Their decision on the selection the finalists and the awardees will be final.

4. PRIVACY POLICY

Any information we receive from you will never leave our private and secure servers. We will not use it for any purpose other science education. In order to register and create your profile, we need your email address and mobile number. For the full Privacy Policy, read the Privacy Policy

Innovations by Children

Below are some of the winning entries of the RYSI 2017-18. Included are interesting variations of pre-existing experiential activities as well as entirely new activities created by children.

Dhruv made a classic experiment, a Cartesian Diver, and explained the functioning and concept confidently and succinctly; something that thoroughly impressed the judges. It is a beautiful experiment that shows off a couple of principles: Pascal’s Law, which says that the pressure change through a fluid is transmitted equally throughout the fluid AND that air is more compressible than water, hence it is the air in the balloon or dropper that gets compressed, reducing its volume (hence increasing its density) and allowing the balloon – suspended with weights – to sink in the water.

It is often said that the simplest experiments are also the most beautiful. Arin exemplified that statement by simply showing that placing a powerful magnet (neodymium magnet) very close to the surface of the water creates a wee bit of a trough in the water, due to the “Diamagnetism” of water. If there is a small floating object in the water, e.g. a piece of metal foil, which is non-magnetic, it keeps wanting to be within this trough. So moving the magnet over the surface of the water makes it look like the piece of metal foil has suddenly become magnetic as it seems to follow the magnet! Arin narrated to us that he discovered this while once playing with a magnet sitting in the bathtub! Talk about a eureka moment!

Soham is clearly also a budding musician; not just a scientist! With a winning smile and oodles of enthusiasm, he made and showed off his wonderful “dholak”, a percussion instrument, made with some balloons as the vibrating membranes and rubber bands to help mount on a cylinder. He also added some string to the contraption, so he could hang it around his neck and bring a flavour of Folk India to the occasion! Rock on, Soham!!

Gokulraj used his ingenuity to come up with a model to show how rainwater could be harvested, and used through a series of bottles and pipes (straws) to power turbines to generate electricity. Using both tidal and flow-of-water energy, this could be a model for small-scale energy generation done at home by all, especially in rainy areas.

Kavin made another classic model: a homopolar motor. Though inefficient, it is a wonderful model showing how you can make a motor without a coil! How marvellous! The surface of the magnet itself acts as a coil, and so rotates rapidly as current from a battery is passed through it. Kavin had all the judges spinning in a tizzy when he showed this off.

Dhaatri made a variation of a classic toy, the cup phone. In this case, instead of paper cups, Dhaatri used small plastic containers (urine sample containers!), and connected them with string to come up with her creation. A more ear-sized opening meant that less sound was lost in transmission. The youngest winner is already preparing for a future of congratulatory phone calls!

Participate

Nominations can be submitted at .

Students can get nominated by their school for Stage 2 of the Raman Young Science Innovator (RYSI) Award. Up to three students per grade can be nominated.

Please feel free to contact us on WhatsApp at or email us at if you have any questions.

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10 Lines on C.V Raman For Students & Children in English

In this article, we are providing Informative 10 lines on C.V Raman in English. In these lines, we have tried our best to give detailed information about C.V Raman. 10 Lines Essay on C.V Raman for classes 2,3,4,5,6,7,8,9,10,11,12.

Check out articles on 10 Lines on Mahatma Gandhi & 10 Lines on Rabindranath Tagore

10 Lines on C.V Raman For Students & Children in English

( Set-1 ) Ten | 10 Lines on C.V Raman In English For Students

1. Full Name of C.V Raman is Chandrasekhara Venkata Raman, he is Hindu Tamil Brahmin.

2. C.V Raman was born in Tamil Nadu state at Tiruchirapalli, Madras Presidency, British India on 7th November 1888.

3. C.V Raman’s Father is a teacher who teaches Physics and mathematics.

4. Raman married Lokasundari Ammal on 6 May 1907, They had two sons, Chandrasekhar Raman and Venkatraman Radhakrishnan

5. C.V Raman did his schooling at St. Aloysius’ Anglo-Indian High School at the age of 13

6. He completed his B.A. ( 1904 ) and M.A. degree ( 1907 ) from the University of Madras.

7. C.V. Raman won a Gold medal in English and Physics in 1904.

8. In 1930 C.V Raman Became the first Asian to receive the Nobel Prize in the Science Field.

9 . List of Awards C.V Raman received in his life span Fellow of the Royal Society (1924), Matteucci Medal (1928), Knight Bachelor (1930), Hughes Medal (1930), Nobel Prize in Physics (1930), Bharat Ratna (1954), Lenin Peace Prize (1957)

10. He died on 21 November 1970 at the age of 82.

10 sentences about C.V Raman

( Set-2 ) 10 Lines on C.V. Raman for students

1 Sir Chandrasekhara Venkata Raman was a renowned Indian physicist commonly known as C.V. Raman.

2 C.V. Raman was born in a Tamil Brahmin house on November 7, 1888, in Tiruchirapalli, Madras Presidency, British India.

3 C.V. Raman discovered the “Raman Effect” in 1928, which illustrates the light scattering while traveling through transparent paper with the help of a spectrograph of light and earned him the Nobel Prize in Physics in 1930.

4 He won the First Asian Nobel Prize in Physics in 1930 for his remarkable work.

5 Raman Effect has made everyone understand the nature of light while interacting with any matter or substances.

6 Indian Academy of Sciences was established in 1948 in Bangalore where C.V. Raman was its First President.

7 In 1906, his first research paper was published while he was pursuing his graduation.

8 Raman Spectroscopy technique was discovered to measure the vibrational energy of light while passing through any object.

9 C.V. Raman also established Raman Research Institute in 1948 where he continued his research work after retiring from the Indian Institute of Science.

10 The day Raman Effect was discovered in 1928 is now celebrated as the National Science by the Indian Government for his outstanding work.

( Set-3 ) 10 Lines on C.V Raman for students

1 The renowned Indian physicist Sir Chandrasekhara Venkata Raman known as C.V. Raman was born in Tiruchirapalli in British India now Tamil Nadu, India.

2 C.V. Raman won the First Asian Nobel Prize in the year 1930 for his discovery of the “Raman Effect” which states the nature of light while interacting with molecules.

3 C.V Raman’s first scientific paper on “Unsymmetrical diffraction bands due to a rectangular aperture” was published by the British journal Philosophical Magazine in the year 1906.

4 At the time of graduation in B.A., Raman also won gold medals in Physics and English.

5 C.V. Raman and his students started India’s first organic and inorganic chemical manufacturer company named Travancore Chemical and Manufacturing Co. Ltd.

6 C.V. Raman has also developed practical applications in chemistry and material science along with his work on fundamental physics.

7 C.V. Raman was the Founder and the First President of the Indian Indian Academy of Sciences and fostering scientific research in India.

8 The scientific community of the nation and other countries was influenced by C.V. Raman’s study on crystal structures and optics.

9 Raman Spectroscopy is a powerful analytical technique that is mostly used in scientific disciplines and is researched by Sir C.V. Raman.

10 The new upcoming scientists and generation are inspired and influenced by the work of C.V. Raman towards science.

( Set-4 ) Few | Some Lines on C.V Raman in English

1. C.V. Raman discovered the Raman Effect.

2. Raman was a very brilliant student.

3. The scientific talent of Raman appeared at a very young age.

4. Raman worked as an Assistant Accountant General in the finance department of the government for ten years.

5. Then he joined as Palit Professor of Physics at the University of Calcutta in 1917 and worked till 1933.

6. He carried out research work on the sounds of musical instruments like veena, tabla, and mridangam.

7. He discovered that when light traverses a transparent material, some of the light changes in wavelength.

8. He also carried out research on the colors of flowers and on the physiology of vision.

9. He held several posts and founded institutions and a journal.

10. He received a knighthood in 1929 and the Nobel Prize m 1930.

# few lines about C.V Raman

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Essay on National Science Day for Students in English

Updated on
Feb 19, 2024

Essay on National Science Day: National Science Day is an important event in Indian history. It was on 28th February 1928 when the renowned Indian Physicist Sir C.V. Raman discovered the RAMAN EFFECT. For this great contribution to humanity, C.V. Raman was awarded the Nobel Prize in Physics in 1930.

Days of national importance are often part of our school curriculum. Students must keep themselves updated on trending public events and their related information. Such details will help them to write expressive and engaging essays. National Science Day serves as a platform to showcase advancements in science and technology and emphasizes the role of scientific research in the country’s development. In this regard, we will be discussing some essays on National Science Day for school students.

Table of Contents

1 Essay on National Science Day in 100 Words
2 Essay on National Science Day in 200 Words
3 Essay on National Science Day in 300 Words

Master the art of essay writing with our blog on How to Write an Essay in English .

Essay on National Science Day in 100 Words

‘National Science Day is annually celebrated on 28th February. This day marks the discovery of the RAMAN EFFECT by the Indian Physicist Dr C.V. Raman. Raman Effect is also known as the Raman Scattering. According to the Raman Effect, when light interacts with molecules, the scattered light can experience changes in its frequency.

On National Science Day, several events and activities are organized by the National Council for Science and Technology Communication (NCSTC). These events and celebrations aim to promote the importance of science in our daily lives. Through these activities, students and young people are encouraged to think scientifically and recognize the achievements of Indian scientists.’

Essay on National Science Day in 200 Words

‘National Science Day is observed on 28th February every year. The National Science Day 2024 theme is ‘Indigenous Technologies for Viksit Bharat’ . This day is celebrated to mark the discovery of Raman Effect or Raman Scattering by C.V. Raman.

Shri Sir Chandrasekhara Venkata Raman or C.V Raman discovered the Raman Effect on 28th February 1928, where we explained how light interacts with molecules and how the scattered light can experience changes in its frequency. This change in frequency is attributed to the vibrations of the molecules. The Government of India aims to promote scientific developments in India by organizing various events and activities on National Science Day.

C.V Raman was an Indian scientist, who was awarded the Nobel Prize in Physics for the discovery of the Raman Effect. He was the first Indian to receive a Nobel Prize in Physics.

The Indian Government and its departments of the National Science Day organize Scientific exhibitions at various educational institutions, that are aimed to engage the public and students in interactive learning experiences. Seminars and science competitions are conducted where students are encouraged to explore and showcase their scientific knowledge and skills.

The celebrations and activities on National Science Day aim to celebrate science, promote the scientific temperament, and inspire interest in the minds of people, especially the youth.’

Also Read: Essay on Science and Technology for Students

Essay on National Science Day in 300 Words

‘National Science Day is observed on 28th February all over India. This Day is celebrated to mark the discovery of the Raman Effect or Raman Scattering by the famous Indian Physicist; Shri Sir Chandrasekhara Venkata Raman, popularly known as CV Raman.

These days are known as the days of national importance, which portrays India’s significant achievement in a particular field. This day not only reminds us of the great contributions of Shri CV Raman but also provides an opportunity to think scientifically and encourage people to explore and experiment.

Dr Raman used a spectrograph, which he developed all by himself, and along with his student KS Krishnan, he discovered that when light travels through a transparent medium, the deflected light changes its frequency and wavelength. In the world of Science, this phenomenon was termed modified scattering, which was later named after Shri CV Raman as the Raman Effect or Raman Scattering.

It has been almost 100 years since the Dr Raman discovered the Raman Effect. Every year, the Indian government organizes various public events, like Science competitions and exhibitions, seminars, and Scientific awareness programs to encourage the development of a scientific temper in society. It aims to instill curiosity and a rational approach towards problem-solving, fostering a culture that values evidence-based reasoning.

Every year, the Union Ministry of Science and Technology releases a special theme on this day. This theme targets a specific goal, where the youth is encouraged to participate and are provided with all the basic details and amenities. In 2024, the National Science Day theme is ‘Indigenous Technologies for Viksit Bharat’.

Important days like National Science Day are celebrated for the spirit of inquiry, innovation, and discovery. India is a land of talent and this talent deserves the right platform. Through the National Science Day events, such talented youth can get the right opportunities in the field of science and technology and take the nation to new heights.’

Ans: ‘National Science Day is observed on 28th February all over India. This Day is celebrated to mark the discovery of the Raman Effect or Raman Scattering by the famous Indian Physicist; Shri Sir Chandrasekhara Venkata Raman, popularly known as CV Raman. These days are known as the days of national importance, which portrays India’s significant achievement in a particular field. This day not only reminds us of the great contributions of Shri CV Raman but also provides an opportunity to think scientifically and encourage people to explore and experiment.

Ans: 28th February is annually celebrated as the National Science Day in India.

Ans: National Science Day commemorates the discovery of the RAMAN EFFECT by the Indian physicist Sir C.V. Raman on February 28, 1928. The Raman Effect is a phenomenon in spectroscopy that led to Raman being awarded the Nobel Prize in Physics in 1930.

For more information on such interesting topics, visit our essay writing page and follow Leverage Edu.

Shiva Tyagi

With an experience of over a year, I've developed a passion for writing blogs on wide range of topics. I am mostly inspired from topics related to social and environmental fields, where you come up with a positive outcome.

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National Online Essay Competition.

1st Ukraine – India Students’ Writing Contest 2024

1st Ukraine – India Students’ Writing Contest 2024 is the first of its kind essay competition open for all Indian students grade 6 to 12 studying in any curriculum like GCSE, IGCSE, IB, CIE, CISCE, CBSE or any other boards in India.

Organised in India for the first time, the Contest is open for school students to explore and learn about Ukraine’s rich history, culture and traditions, thus addressing the critical need of raising awareness among Indian school students about Ukraine, the biggest country in Central and Eastern Europe.

The contest is organised by PT GLOBAL EDU in collaboration with the Embassy of the Republic of Ukraine in India, Bangladesh, Nepal, Maldives and Sri Lanka and the East European Development Institute (EEDI), within its project “Ukraine and South Asia – Open Dialogues”, supported by the International Renaissance Foundation in Ukraine.

HIGHLIGHTS OF THE CONTEST

14 winners will be greeted for the Gala Award Ceremony at the Embassy of Ukraine in New Delhi and it will make them get acquainted more with Ukraine, participate in art and handicrafts workshop as well as view short movies.
12 Winners will be honoured with Ukrainian Souvenirs, Medals and Certificates of Excellence.
2 winners (1 from Junior and 1 from senior group) will be appreciated specially and honoured with Ukrainian Souvenirs, Medals and Certificates of Excellence.
14 Principals/Directors of schools of winning students will be invited for interaction and felicitation ceremony with the Ambassador and diplomats at the Embassy of Ukraine in New Delhi
12 Principals/Directors of participating schools who encourage the maximum number of students to participate will be invited for interaction and felicitation ceremony with the Ambassador and diplomats at the Embassy of Ukraine in New Delhi.
All invited principals will be awarded with Certificates of Appreciation during felicitation ceremony at the Embassy
Certificates of Appreciation will be awarded to all event coordinators and principals of participating schools.
Appreciation Certificates will be awarded to all Teacher In-charges, Event Coordinator and principal/director of participating schools.
Certificates of Participation for all contestants.

ESSAY THEME:

There are two themes in two different groups, students can choose any one suitable subject/theme of their interest and write their essay on the selected theme.


	: “One day, it so happened that in my dream, I visited Ukraine. What did I see? Where did I go? Who was with me? And what did I do? I want to tell you all what happened during this trip.” : “The world is lonely without friends. I have many friends. But the most interesting of them is my friend from Ukraine. Let me tell you about this wonderful friend.”

	: Culture is the soul of its people. There are so many things that you may know and like about Ukrainian culture. Please write about one of the aspects of the cultural heritage of Ukraine. (Choose any one: literature, poetry, folklore, fine arts, folk art, culinary traditions, festivals, folk and classical dance, musical traditions, films and cinema, performing arts and the theatre, ethnic attire and ornaments) : Ukraine and India are far from each other geographically, but we are very close culturally and historically. Ukrainian is an Indo-European language that has many similarities with Indian languages. India and Ukraine have established diplomatic relations since 1992 and have exchanged full-fledged Embassies in Kyiv and Delhi. How can our friendship become stronger? Make your suggestions.

BENEFITS TO STUDENTS

Certificates won by the participants from the Embassy and international organisations will add up to students’ academic & professional profile
Opportunity to meet the Ambassador and diplomats as well as with experts from Ukraine will enhance international exposure
Opportunity to enrich the minds of students with knowledge, skill and understanding of historical, geographical and cultural tradition of Ukraine
Opportunity to experience Ukrainian culture through learning art and handicrafts workshops at the Embassy
Opportunity to improve skills & talent and to deepen understanding of global conferences, programs like Model United Nations, other national & international fora etc.
Access and understand transnational and international issues to raise awareness, general knowledge, become an accomplished individual and a responsible citizen.

PARTICIPATION FEE: Rs. 250/ Per Student

SCREENING OF ESSAYS: Essays will be undergo first shortlisting in India by jury organised by PT GLOBAL EDU and thereafter will be finally screened by international jury organised by the EEDI in Ukraine.

STEPS OF PARTICIPATION

STEPS	DETAILS
Step 1	Register to generate Student Reference Number (SRN), Please check spam or junk folder if you don’t find the SRN email in the inbox folder.
Step 2	Pay Participation Fee by taping below pink button
Step 3	Download the Essay Form: For and For Write only SRN & Payment ID on the Essay Form and Email your essay and participation fee ID receipt to –Email: [email protected]
Step 4	Download “Certificate of Participation” , once results are announced.

WINNERS INFO:

	1 , 2 and 3 Position for Theme 1. Ukraine in my dream 1 , 2 and 3 Position for Theme 2. To my Ukrainian Friend In addition, 1 outstanding work from the group will be also awarded the Grand Prix of the Group covering both Themes 1 & 2. Total 7 winners from the Junior Group
	1 , 2 and 3 Position for Theme 1. The Beauty of Ukrainian Culture 1 , 2 and 3 Position for Theme 2. For a Stronger India-Ukraine Friendship In addition, 1 outstanding work from the group will be also awarded the Grand Prix of the Group covering both Themes 1 & 2. Total 7 winners from the Senior Group

Registration and Submission of Essay	Until 1 October 2024, 23:59h (Date Extended)
Results announcement	30 November 2024
Downloading Certificate of Participation	1 December to 31 December 2024
Felicitation Ceremony in Delhi for Winners and Principals/Directors	3 or 4 Week of December 2024

TERMS & CONDITIONS

Participants are advised to register well before the contest end date to avoid any last minute technical glitches.
Kindly recheck your email ID twice before submitting your information as Student Reference Number (SRN) will be sent to your registered email ID. Please keep your student reference number handy and at a safe place so on the day of results using the same reference number you can download your Certificate of Participation.
If you have not received your reference number in your inbox, kindly check spam and junk folder, move email to your inbox and save email address in your address book for future updating.
One email, one entry will be accepted, Sending multiple entries using different emails will not be assessed.
Only one entry per participant is allowed.
Parents / Guardians may help only in generating SRN and paying online participation fee if needed but should not assist in writing essays.
Integrity & Honesty is expected from all participants and parents/guardians.
Entries must be written in English
Both hand written or typed essays will be accepted, however typed essays will be highly appreciated and should be written in the font Times New Roman, Size- 14, Space – 1.5. Hand written essay must be legible and encourage keeping the write up simple and easily readable and avoiding cursive writing.
Plagiarism is not accepted in the competition. If you are caught plagiarising, you will be automatically disqualified from the competition, in addition to that essay content must be related to the theme only.
Students have to send their own work and must avoid copying from someone else’s work.
Decision of judges will be final and no review request will be entertained; only shortlisted candidates will be approached.
No request to update name and school name on certificate will be entertained; it will be printed the way you entered the information. You must take utmost care while registering your details.
Participating students and schools must check the website for results update and ONLY winning students/schools will be intimated through mail for further process.
The participation fee is non-refundable and non transferable.
For latest information, terms & conditions of the competition etc. visit this website often to keep yourself updated.

I have not received Student Reference Number (SRN) after submitting the registration form

Please check spam or junk folder, if you don’t find email in the inbox. Please check that you have entered the correct email. Don’t register again using different email, Use the help desk to get SRN.

My email shows an already registered, but not received student reference number.

Your email is successfully registered in the system, so you don’t need to register again using a different email. For SRN, Please check spam or junk folder, if you don’t find email in the inbox. Use WhatsApp Message HelpDesk for assistance.

Why should my name and school name not be written in the essay form? How will you identify my work?

In the essay form, you have to only write only your SRN and Payment ID, as your name and school name will remain unknown to judges to avoid any discrimination while checking the essay. We will use SRN to check your details after your essay is being assessed.

Can I submit hand written essay?

Yes, you can submit hand written essay but the write up must be legible and easy to read by jury. We recommend to keep the write up as simple as you can and avoid cursive writing.

SUGGESTED READING MATERIALS PROVIDED BY EEDI :

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:

HELP DESK:

Students may use WhatsApp HelpDesk button to get assistance.

Registration for Schools, Event Teacher, Schools Coordinators, Principals, Directors CLICK TO REGISTER

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