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CBSE Class 12 Physics Case Study Questions PDF Download

Case Study questions for the Class 12 Physics board exams are available here. You can read the Class 12 Physics Case Study Questions broken down by chapter. Subject matter specialists and seasoned teachers created these quizzes. You can verify the right response to each question by referring to the answer key, which is also provided. To achieve success on your final exams, practice the following questions.

CBSE (Central Board of Secondary Education) is a renowned educational board in India that designs the curriculum for Class 12 Physics with the goal of promoting a scientific temperament and nurturing critical thinking among students. As part of their Physics examination, CBSE includes case study questions to assess students’ ability to apply theoretical knowledge to real-world scenarios effectively.

Chapter-wise Solved Case Study Questions for Class 12 Physics

Before the exams, students in class 12 should review crucial Physics Case Study issues. They will gain a better understanding of the kinds of Case Study questions that may be asked in Physics exams for Grade 12. These questions were created by our highly qualified standard 12 Physics staff based on the questions that appeared most frequently in last year’s exams. The solutions have been written in a way that will make them simple to grasp and will aid students in grade 12 in understanding the topics.

Best Books for Class 12 Physics Exams

Strictly in accordance with the new term-by-term curriculum for the class 12 board exams to be held in the academic year 2023–2024, which will include multiple choice questions based on new board typologies including stand-alone MCQs and case-based MCQs with an assertion–reason. Included are inquiries from the official CBSE Question Bank that was released in April 2024. What changes have been made to the book: strictly in accordance with the term-by-term syllabus for the board exams that will be held during the 2024 academic year? Chapter- and topic-based Questions with multiple choices that are based on the unique evaluation method used for the Class 12th Physics Final Board Exams.

Key Benefits of Solving CBSE Class 12 Physics Case Study Questions

• Application of Concepts: Case study questions demand the application of theoretical knowledge in practical scenarios, preparing students for real-world challenges and professional pursuits.
• Critical Thinking: By evaluating and analyzing case studies, students develop critical thinking abilities, enabling them to approach complex problems with a logical mindset.
• In-Depth Understanding: Addressing case study questions necessitates a thorough understanding of physics concepts, leading to a more profound comprehension of the subject matter.
• Holistic Evaluation: CBSE adopts case study questions as they provide a holistic evaluation of a student’s aptitude and proficiency in physics, moving beyond rote memorization.
• Preparation for Competitive Exams: Since competitive exams often include similar application-based questions, practicing case study questions equips students for various entrance tests.

How to Approach CBSE Class 12 Physics Case Study Questions

• Read and Analyze Thoroughly: Carefully read the case study to grasp its context and identify the underlying physics principles involved.
• Identify Relevant Concepts: Highlight the physics theories and concepts applicable to the given scenario.
• Create a Systematic Solution: Formulate a step-by-step solution using the identified concepts, explaining each step with clarity.
• Include Diagrams and Charts: If relevant, incorporate diagrams, charts, or graphs to visually represent the situation, aiding better comprehension.
• Double-Check Answers: Always review your answers for accuracy, ensuring that they align with the principles of physics.

Tips for Excelling in CBSE Class 12 Physics

• Conceptual Clarity: Focus on building a strong foundation of physics concepts, as this will enable you to apply them effectively to case study questions.
• Practice Regularly: Dedicate time to solving case study questions regularly, enhancing your proficiency in handling real-world scenarios.
• Seek Guidance: Don’t hesitate to seek guidance from teachers, peers, or online resources to gain additional insights into challenging concepts.
• Time Management: During exams, practice efficient time management to ensure you allocate enough time to each case study question without rushing.
• Stay Positive: Approach case study questions with a positive mindset, embracing them as opportunities to showcase your skills and knowledge.

CBSE Class 12 Physics case study questions play a pivotal role in promoting practical understanding and critical thinking among students. By embracing these questions as opportunities for growth, students can excel in their physics examinations and beyond.

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Case Study Questions Class 12 Physics

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CBSE will ask two Case Study Questions in the CBSE class 12 Physics questions paper. Question numbers 15 and 16 are case-based questions where 5 MCQs will be asked based on a paragraph. Each theme will have five questions and students will have a choice to attempt any four of them. You can download CBSE Class 12 Physics case study questions from the myCBSEguide App and our free student dashboard .

You can Score High

CBSE class 12 Physics question paper will carry questions for 70 marks. Certainly, the question paper is a bit easier this year. It is because the syllabus is already reduced and there are more internal choices. Besides this, the case study questions are a plus to winning the game with good marks.

In simple words, all circumstances are in favour of the sincere students who are working hard to score high this year. Although it has been a difficult time for students as they were not getting the personal attention of the teachers. We know that online classes have their own limits, but we still expect better scores, especially from students who are putting extra effort into their studies.

Class 12 Physics Case Study Questions

CBSE class 12 Physics question paper will have case study questions too. These case-based questions will be objective type in nature. So, class 12 Physics students must prepare themselves for such questions. First of all, you should study NCERT Textbooks line by line and then you should practice as many questions as possible.

Case Study Syllabus

We know that CBSE has reduced the syllabus. Hence, practice only relevant questions. don’t waste time on case study questions from deleted portion. It is of no use. You can download the latest class 12 Physics case study questions from the myCBSEguide App.

Physics Case Studies

Class 12 Physics has many chapters but all chapters are not important for case studies. As we know case studies are not exactly given from NCERT books but these may be extracted from some newspaper articles, magazines, journals or other books. So, it is very much important that you are studying only the most relevant case studies. Here, the myCBSEguide app helps you a lot. We have case study questions that are prepared by a team of expert teachers. These experts exactly know what types of questions can come in exams.

Case Study Questions

There are a number of study apps available over the internet. But if you are a CBSE student and willing to get an app for the CBSE curriculum, you have very limited options. And if you want an app that is specifically designed for CBSE students, your search will definitely end on finding myCBSEguide. Case study questions are the latest updates in CBSE syllabus. It is exclusively available in the myCBSEguide app.

Here are some example questions. For more questions, you can download the myCBSEguide App.

Physics Case Study -1

Read  the following source and answer any four out of the following questions: Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of charges positive and negative charges. Also, like charges repel each other whereas unlike charges attract each other.

• -3.2  × ×  10 -18  C
• 3.2  × ×  10  18  C
• -3.2  × ×  10 -17  C
• 3.2  × ×  10  -17   C
• -1.6  × ×  10 -18  C
• 1.6  × ×  10  -18  C
• 2.6  × ×  10 -18  C
• 1.6  × ×  10 -21  C
• 9.1  × ×  10 -31  kg
• 9.1  × ×  10 -31  g
• 1.6  × ×  10 -19  kg
• 1.6  × ×  10 -19  g
• there is only a positive charge in the body
• there is positive as well as negative charge in the body but the positive charge is more than the negative charge
• there is equally positive and negative charge in the body but the positive charge lies in the outer regions
• the negative charge is displaced from its position
• valence electrons only
• electrons of inner shells
• both valence electrons and electrons of the inner shell.
• none of the above

Physics Case Study -2

Read the following source and answer any four out of the following questions: Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms. Also, Resistivity is the electrical resistance of a conductor of unit cross-sectional area, and unit length. … A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents.

• nature of material
• temperature
• dimensions of material
• cross-sectional area
• length of wire
• wire’s nature
• all of the above
• more resistance
• less resistance
• same resistance

Physics Case Study -3

Read the source given below and answer any four out of the following questions: The Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the modification of Rutherford’s model of an atom. Rutherford’s model introduced the nuclear model of an atom, in which he explained that a nucleus (positively charged) is surrounded by negatively charged electrons.

• The energy of the electrons in the orbit is quantized
• The electron in the orbit nearest the nucleus has the lowest energy
• Electrons revolve in different orbits around the nucleus
• The position and velocity of the electrons in the orbit cannot be determined simultaneously
• Single proton
• Multiple electrons
• emitted only
• absorbed only
• both (a) and (b)
• none of these
•  It must emit a continuous spectrum
•  It loses its energy
• Gaining its energy
• A discrete spectrum
• dequantized

Physics Case Study & myCBSEguide App

We at myCBSEguide provide the best case study questions for CBSE class 12 Physics. We have Physics case study questions for every chapter in 12th class Physics. Students can access the Physics case study questions with answers on the myCBSEguide App or on the student dashboard . Here are some features that make myCBSEguide the best learning app for CBSE students:

• Updated syllabus
• Up to date question bank
• Model papers and 10-year questions
• NCERT and Exemplar sulutions
• Best quality learning videos
• Detailed revision notes

12 Physics Question Paper Design

Here is the question paper design for CBSE class 12 Physics. It shows the typology of the questions and their weightage in CBSE board exams.

QUESTION PAPER DESIGN Theory (Class: 12)

Maximum Marks: 70 Duration: 3 hrs

Note:  The above template is only a sample. Suitable internal variations may be made for generating similar templates keeping the overall weightage to different forms of questions and typology of questions the same.

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Good question l will check answers sheet

Question 2 answer key ?

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Case Study Class 12 Physics With Questions Answers

In Coming Exams, CBSE will ask two Case Study Questions in the CBSE class 12 Physics questions paper. Question numbers 15 and 16 are case-based questions where 5 MCQs will be asked based on a paragraph. Each theme will have five questions and students will have a choice to attempt any four of them. Here are some example questions Based On Case Study Problems: Question 1. Read the following source and answer any four out of the following questions: Electric charge is the physical property of matter that causes it to experience a force when placed in an electromagnetic field. There are two types of charges positive and negative charges. Also, like charges repel each other whereas unlike charges attract each other.

1. Charge on a body which carries 200 excess electrons is: 1. -3.2 × 10 -18 C 2. 3.2 × 10 18 C 3. -3.2 × 10 -17 C 4. 3.2 × 10 -17 C 2. Charge on a body which carries 10 excess electrons is: 1. -1.6 × 10 -18 C 2. 1.6 × 10 -18 C 3. 2.6 × 10 -18 C 4. 1.6 × 10 -21 C 3. Mass of electron is: 1. 9.1 × 10 -31 kg 2. 9.1 × 10 -31 g 3. 1.6 × 10 -19 kg 4. 1.6 × 10 -19 g

4. A body is positively charged, it implies that: 1. there is only a positive charge in the body 2. there is positive as well as negative charge in the body but the positive charge is more than negative charge 3. there is equally positive and negative charge in the body but the positive charge lies in the outer regions 4. the negative charge is displaced from its position 5. On rubbing, when one body gets positively charged and other negatively charged, the electrons transferred from positively charged body to negatively charged body are: 1. valence electrons only 2. electrons of inner shells 3. both valence electrons and electrons of the inner shell. 4. none of the above

Question .Read the following source and answer any four out of the following questions: Resistance is a measure of the opposition to current flow in an electrical circuit. Resistance is measured in ohms. Also Resistivity, the electrical resistance of a conductor of unit cross-sectional area, and unit length. … A characteristic property of each material, resistivity is useful in comparing various materials on the basis of their ability to conduct electric currents.

1. Resistivity is independent of: 1. nature of material 2. temperature 3. dimensions of material 4. none of the above

2. As compare to short wires, long wires have _______ resistance. 1. more 2. less 3. same 4. zero

3. As compare to thin wires, thick wires have _______ resistance. 1. more 2. less 3. same 4. zero

4. The resistance of a wire depends upon: 1. cross-sectional area 2. length of wire 3. wire’s nature 4. all of the above 5. A copper wire having the same size as steel wire have: 1. more resistance 2. less resistance 3. same resistance 4. none of the above

Question. Read the source given below and answer any four out of the following questions: The Bohr model of the atom was proposed by Neil Bohr in 1915. It came into existence with the modification of Rutherford’s model of an atom. Rutherford’s model introduced the nuclear model of an atom, in which he explained that a nucleus (positively charged) is surrounded by negatively charged electrons.

1. Which of the following statements does not form a part of Bohr’s model of a hydrogen atom? 1. The energy of the electrons in the orbit is quantized 2. The electron in the orbit nearest the nucleus has the lowest energy 3. Electrons revolve in different orbits around the nucleus 4. The position and velocity of the electrons in the orbit cannot be determined simultaneously 2. What is in the center of the Rutherford model? 1. Single proton 2. Multiple electrons 3. A nucleus 4. Neutrons

3. When an electron jumps from its orbit to another orbit, energy is: 1. emitted only 2. absorbed only 3. both (a) and (b) 4. none of these

4. How were the limitations of the Rutherford model which could not explain the observed features of atomic spectra explained in Bohr’s model of a hydrogen atom? 1. It must emit a continuous spectrum 2. It loses its energy 3. Gaining its energy 4. A discrete spectrum

5. When an electron remains between orbits its momentum is: 1. quantized 2. emitted 3. dequantized 4. none of the above

Question. Read the source given below and answer any four out of the following questions: The potentiometer consists of a long resistive wire(L) and a battery of known EMF, ‘V’ whose voltage is known as driver cell voltage. Assume a primary circuit arrangement by connecting the two ends of L to the battery terminals. One end of the primary circuit is connected to the cell whose EMF ‘E’ is to be measured and the other end is connected to galvanometer G. This circuit is assumed to be a secondary circuit.

1. How can we increase the sensitivity of a potentiometer? 1. Increasing the potential gradient 2. Decreasing the potential gradient 3. Decreasing the length of potentiometer wire 4. Increasing resistance put in parallel

2. If l1 and l2 are the balancing lengths of the potentiometer wire for the cells of EMFs ε1ε1 and ε2ε2, then 1. ε1ε1+ ε2ε2 = l1 + l2 2. ε1ε2=l1l2ε1ε2=l1l2 3. ε1ε1ε2ε2 = l1l2 4. None of these

3. An example of a potentiometer is 1. Mobile 2. Modem 3. Joystick 4. All of these

4. The emf of a cell is always greater than its terminal voltage. Why? 1. Because there is some potential drop across the cell due to its small internal resistance 2. Because there is some potential drop across the cell due to its large internal resistance 3. Because there is some potential drop across the cell due to its low current 4. Because there is some potential drop across the cell due to its high current

5. Why is a ten-wire potentiometer more sensitive than a four-wire one? 1. Small potential gradient 2. Large potential gradient 3. Large length 4. None of these

Answer Key: ]1. (b) Decreasing the potential gradient 2. (b) ε1ε2=l1l2ε1ε2=l1l2 3. (c) Joystick 4. (a) Because there is some potential drop across the cell due to its small internal resistance 5. (a) Small potential gradient

Question Read the source given below and answer any four out of the following questions: If two or more capacitors are connected in series, the overall effect is that of a single (equivalent) capacitor having the sum total of the plate spacing of the individual capacitors. If two or more capacitors are connected in parallel, the overall effect is that of a single equivalent capacitor having the sum total of the plate areas of the individual capacitors. ( figure (a) shows parallel combination and (b) shows series combination)

1. Capacity can be increased by connecting capacitors in: 1. parallel 2. series 3. both a and b 4. none of these Answer : parallel

2. Three capacitors having a capacitance equal to 2F, 4F and 6F are connected in parallel. Calculate the effective parallel capacitance: 1. 10 F 2. 11 F 3. 12 F 4. 13 F Answer : 12 F

3. When capacitors are connected in the series ________ remains the same. 1. voltage 2. capacitance 3. charge 4. resistance Answer : charge

4. The plates of a parallel plate capacitor are 10 cm apart and have an area equal to 2m2. If the charge on each plate is 8.85×10 −10 C8.85×10 −10 C , the electric field at a point: 1. between the plates will be zero 2. outside the plates will be zero 3. between the plates will change from point to point 4. between the plates will be 25NC−125NC− 1 Answer : (b) outside the plates will be zero

5. Four 10 F capacitors are connected in series, calculate the equivalent capacitance. 1. 1.5 F 2. 2.5 F 3. 3.5 F 4. 4.5 F Answer (b) 2.5F

Question Read the source given below and answer any four out of the following questions: A charge is a property associated with the matter due to which it experiences and produces an electric and magnetic field. Charges are scalar in nature and they add up like real numbers. Also, the total charge of an isolated system is always conserved. When the objects rub against each other charges acquired by them must be equal and opposite.

1. The cause of charging is: 1. the actual transfer of protons 2. the actual transfer of electrons 3. the actual transfer of neutrons 4. none of the above Answer : the actual transfer of electrons

2. Pick the correct statement. 1. The glass rod gives protons to silk when they are rubbed against each other. 2. The glass rod gives electrons to silk when they are rubbed against each other. 3. The glass rod gains protons from silk when they are rubbed against each other. 4. The glass rod gains electrons when they are rubbed against each other. Answer :: The glass rod gives electrons to silk when they are rubbed against each other.

3. If two electrons are each 1.5×10−10m1.5×10−10m from a proton, the magnitude of the net electric force they will exert on the proton is 1. 1.97×10 −8 N 2. 2.73×10 −8 N 3. 3.83×10 −8 N 4. 4.63×10 −8 N Answer : 1.97×10 −8 N

4. A charge is a property associated with the matter due to which it produces and experiences : 1. electric effects only 2. magnetic effects only 3. both electric and magnetic effects 4. none of these Answer : :both electric and magnetic effects

5. The cause of quantization of electric charges is: 1. transfer of an integral number of neutrons 2. transfer of an integral number of protons 3. transfer of an integral number of electrons 4. none of the above Answer : transfer of an integral number of electrons

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NCERT Books and Solutions for all classes

Case Study Chapter 2 Electrostatic Potential and Capacitance Class 12 Physics

Please refer to below Case Study Chapter 2 Electrostatic Potential and Capacitance Class 12 Physics. These Case Study Questions Class 12 Physics will be coming in your examinations. Students should go through the Chapter 2 Electrostatic Potential and Capacitance Case Study based questions in their Class 12 Physics CBSE, NCERT, KVS book as this will help them to secure more marks in upcoming exams.

Case Study Based Questions Physics Class 12 – Chapter 2 Electrostatic Potential and Capacitance

Read the para given below and answer the  questions that follow:

Potential difference (Δv) between two points A and B separated by a distance x, in a uniform electric field E is given by Δv = –Ex, where x is measured parallel to the field lines. If a charge q 0 moves from A to B, the change in potential energy (Δv) is given as Δv = q 0 Δv. A proton is released from rest in uniform electric field of magnitude 8.0 × 10 4 Vm –1 directed along the positive X–axis. The Proton undergoes a displacement of 0.50 m in the direction of E. Mass of a Proton = 1.66 × 10 –27 Kg and charge on a proton = 1.6 × 10 –19 C.

With the help of the passage given above, choose  the most appropriate alternative for each of the  following questions:

Question. As the Proton moves from A to B, then (a) The Potential energy of Proton decreases (b) The Potential energy of Proton Increases (c) The Proton loses kinetic energy. (d) Total energy of the proton Increases.

Question. The change in electric potential of the Proton between the points A and B is (a) 4.0 × 10 4 V (b) –4.0 × 10 4 V (c) 6.4 × 10 –19 V (d) –6.4 × 10 –19 V

Question. The change in electric potential energy of the proton for displacement from A to B is (a) –6.4 × 10 19 J (b) 6.4 × 10 –19 J (c) –6.4 × 10 –15 J (d) 6.4 × 10 –15 J

Question. The velocity (VB) of the proton after it has moved 0.50 m starting from rest is (a) 1.6 × 10 8 m s–1 (b) 2.77 × 10 6 ms –1 (c) 2.77 × 10 4 ms –1 (d) 1.6 × 10 6 ms –1

Question. If in place of charged plates, two similar point charges of 1μC have kept in air at 1m distance from each other. Then, potential energy is (a) 1 J (b) 1 eV (c) 9 × 10 –3 J (d) Zero

Read the para given below and answer the questions that follow:

An arrangement of two conductors separated by an insulating medium can be used to store electric charge and electric energy. Such a system is called a capacitor. The more charge a capacitor can store, the greater is its capacitance. Usually, a capacitor consists of two capacitors having equal and opposite charge + Q and –Q. Hence, there is a potential difference V between them. By the capacitance of a capacitor, we mean the ratio of the charge Q to the potential difference V. By the charge on a capacitor we mean only the charge Q on the positive plate. Total charge of the capacitor is Zero. The capacitance of a capacitor is a constant and depends on geometric factors, such as the shapes, sizes and relative positions of the two conductors, and the nature of the medium between them. The unit of capacitance Farad (F), but the more convenient units are μF and PF. A commonly used capacitor consists of two long strips or metal foils, separated by two long strips of dielectrics, rolled up into a small cylinder. Common dielectric materials are plastics (such as polyestor and polycarbonates) and aluminum oxide. Capacitors are widely used in television, computer, and other electric circuits.

Question. A parallel plate capacitor C has charge Q. The actual charge on its plates are: (a) Q, Q (b) Q/2, Q/2 (c) Q, –Q (d) Q/2, –Q/2

Question. A parallel plate capacitor is charged. If the plate are pulled apart, (a) the capacitance increases. (b) the potential difference increases. (c) the total charge increases. (d) the charge and the potential difference remains the same.

Question. If n capacitors, each of capacitance C, are connected in series, then the equivalent capacitance of the combination will be. (a) n C (b) n 2 C (c) C/n (d) C/n 2

Question. Three capacitors 2.0, 3.0 and 6.0 microfarad are connected in series to a 10 v source. The charge on the 3.0 microfarad capacitor is: (a) 5 microcoulomb (b) 10 microcoulomb (c) 12 microcoulomb (d) 15 microcoulomb

Question. What is the potential difference across 2 microfarad capacitor in the circuit shown?

(a) 12 V (b) 4 V (c) 6 V (d) 18 V

Read the para given below and answer the questions that follow:

Potential of Two Point Charges. The potential at any observation point P of a static electric field is defined as work done by the external agent (or negative of work done by electrostatic field) in slowly bringing a unit positive point charge form infinity to the observation point. The figure given below shows the potential variation along the line of charges. Two point charges Q 1 and Q 2 lie along a line at a distance from each oth er.

Question. At which the points 1, 2 and 3 is the electric field is zero? (a) 1 (b) 2 (c) 3 (d) Both (a) and (b)

Question. The signs of charges Q 1 and Q 2 respectively are (a) positive and negative (b) negative and positive (c) positive and positive (d) negative and negative

Question. Which of the charges Q 1 and Q 2 is greater in magnitude? (a) Q 2 (b) Q 1 (c) Same (d) Cannot determined

Question. Which of the following statement is not true? (a) Electrostatic force is a conservative force. (b) Potential energy of charge q at a point is the work done per unit charge in bringing a charge form any point to infinity. (c) When two like charges lie infinite distance apart, their potential energy is zero. (d) Both (a) and (c).

Question. Positive and negative point charges of equal magnitude are kept at (0,0, a/2) and (0,0, a/2) respectively. The work done by the electric field when another positive point charge is moved from (–a, 0, 0) to (0, a, 0) is (a) positive (b) negative (c) zero (d) depends on the path connecting the initial and final positions.

Equipotential Surfaces. For the various charge systems, we represent equipotential surfaces by curves and line of force by full line curves. Between any two adjacent equipotential surfaces, we assume a constant potential difference the equipotential surfaces of a single point charge are concentric spherical shells with their centres at the point charge. As the lines of force point radially outwards, so they are perpendicular to the equipotential surfaces at all points.

Question. Identify the wrong statement. (a) Equipotential surfaces due to a single point charge is spherical. (b) Equipotential surfaces can be constructed for dipoles too. (c) The electric field is normal to the equipotential surfaces through the point. (d) The work done to move a test charge on the equipotential surface is positive.

Question. Nature of equipotential surface for a point charge is (a) Ellipsoid with charge at foci. (b) Sphere with charge at the centre of the sphere. (c) Sphere with charge on the surface of the sphere. (d) Plane with charge on the surface.

Question. A spherical equipotential surface is not possible (a) inside a uniformly charged sphere. (b) for a dipole. (c) inside a spherical condenser. (d) for a point charge.

Question. The work done in carrying a charge q once round a circle of radius a with a charge Q at its centre is

Question. The work done to move a unit charge along an equipotential surface from P to Q (a) must be defined as 

(b) is zero (c) can have a non-zero value (d) Both (a) and (b) are correct

Spherical Capacitor. The electrical capacitance of a conductor is the measure of its ability to hold electric charge. An isolated spherical conductor of radius R. The charge Q is uniformly distributed over its entire surface. It can be assumed to be concentrated at the sphere. The potential at any point on the surface of the surface of the spherical conductor will be V = 1/4π∈ 0 , Q/R  

Capacitance of the spherical conductor situated in vacuum is

Clearly, the capacitance of a spherical conductor is proportional to its radius. The radius of the spherical conductor of 1F capacitance is R = 1/ 4π∈ 0 . C and this radius is about 1500 times the radius of the earth (∼ 6 × 10 3 km).

Question. If an isolated sphere has a capacitance 50pF. Then radius is (a) 90 cm (b) 45 cm (c) 45 m (d) 90 m

Question. How much charge should be placed on a capacitance of 25 pF to raise its potential 10 5  V? (a) 1 μC (b) 1.5 μC (c) 2 μC (d) 2.5 μC

Question. Dimensions of capacitance is (a) [M –1 L –2 T 4 A 2 ] (b) [M –1 L –1 T 3 A 1 ] (c) [M L –2 T 4 A 2 ] (d) [M 0 L –2 T 4 A 1 ]

Question. Metallic sphere of radius R is charged to potential V. Then charge q is proportional to (a) V (b) R (c) Both V and R (d) none of these

Question. If 64 identical spheres of charge q and capacitance C each are combined to form sphere the charge and capacitance of the large sphere is (a) 64q, C (b) 16q, 4C (c) 64q, 4C (d) 16q, 64C

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CBSE Class 12 Physics Question Paper 2024, All SETs Download PDF

Cbse class 12 physics question paper 2024: in this article, students will get the cbse 12th physics question paper 2024 along with pdf download link of the same. check the authentic cbse class 12 physics question paper 2024 here..

CBSE Class 12 Physics Exam 2024:  CBSE Class 12 Result 2024 is out and students who got below the passing marks might be looking for the recent question papers to practice for the supplementary exams. Worry not you will get through this with right preparation. Here, you will get the latest 2024 question paper PDFs of CBSE Class 12 Physics.

The Physics exam for CBSE Class 12 was conducted on March 4, 2024 (Monday). The exam was scheduled for three hours, from 10:30 a.m. to 12:30 p.m. The CBSE Class 12 Physics exam 2024 was conducted to evaluate the student's learning for the theoretical knowledge of the subject. The 12th Physics syllabus covered nine units, and the questions were asked of them. 

CBSE Class 12 Physics Highlights

Cbse class 12 physics 2024 question paper pattern .

The CBSE 12th Physics paper was conducted to evaluate the theoretical knowledge of nine units covered in the CBSE Class 12 Physics Syllabus 2024. The paper had five sections, from A to E. Each section has a specified number of questions and a specific typology of questions. The table below shows the question paper pattern for the Class 12 Physics, CBSE 2024 exam.

CBSE Class 12 Physics 2024 Question Paper PDF

You will get the free, downloadable PDF of the CBSE Class 12 Physics question paper 2024 here. All the major sets will be available in PDF format that students and teachers can download for further use. 

Get the PDF from the link below:

CBSE Class 12  Physics Paper 2024 Set 1 PDF

CBSE Class 12  Physics Paper 2024 Set 2 PDF

CBSE Class 12  Physics Paper 2024 Set 3 PDF

CBSE Class 12 Physics Answer Key 2024

How was the cbse class 12 physics exam 2024 know students and expert reaction.

• CBSE Class 12 Syllabus 2024
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Class 12 Physics Case Study Questions Chapter 2 Electrostatic Potential and Capacitance

• Post author: studyrate
• Post published:
• Post category: Class 12 / 12 board
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In Class 12 Boards there will be Case studies and Passage Based Questions will be asked, So practice these types of questions. Study Rate is always there to help you. Free PDF Downloads of CBSE Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance Case Study and Passage-Based Questions with Answers were Prepared Based on the Latest Exam Pattern. Students can solve NCERT Class 12 Physics Case Study Questions Electrostatic Potential and Capacitance  to know their preparation level.

Join our Telegram Channel, there you will get various e-books for CBSE 2024 Boards exams for Class 9th, 10th, 11th, and 12th.

In CBSE Class 12 Physics Paper, Students will have to answer some questions based on  Assertion and Reason . There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.

Electrostatic Potential and Capacitance Case Study Questions With Answers

Here, we have provided case-based/passage-based questions for Class 12 Physics  Chapter 2 Electrostatic Potential and Capacitance

Case Study/Passage-Based Questions

Answer: (b) 20

(ii) A parallel plate capacitor with air between the plates has a capacitance of 8 pF. The separation between the plates is now reduced by half and the space between them is filled with a medium of dielectric constant 5. Calculate the value of capacitance of the capacitor in the second case.

Answer: (c) 80pF

(iii) A dielectric introduced between the plates of a parallel plate condenser

Answer: (d) increases the capacity of the condenser

(iv) A parallel plate capacitor of capacitance 1 pF has separation between the plates is d. When the distance of separation becomes 2d and wax of dielectric constant x is inserted in it the capacitance becomes 2 pF. What is the value of x?

Answer: (b) 4

Case Study 2: When an insulator is placed in an external field, the dipoles become aligned. Induced surface charges on the insulator establish a polarization field Ē i  in its interior. The net field Ē in the insulator is the vector sum of Ē, and Ē i  as shown in the figure.

In the application of an external electric field, the effect of aligning the electric dipoles in the insulator is called polarization, and the field Ē; is known as the polarisation field. The dipole moment per unit volume of the dielectric is known as  polarisation  ( P ). For linear isotropic dielectrics,  P =χE , where χ = electrical susceptibility of the dielectric medium.

(i) Which among the following is an example of a polar molecule? (2) O₂ (b) H (c) N 2 (d) HCI

Answer: (d) HCI

(ii) When air is replaced by a dielectric medium of constant K, the maximum force of attraction between two charges separated by a distance (a) increases K times (b) remains unchanged (c) decreases K times (d) increases 2K times.

Answer: (c) decreases K times

(iii) Which of the following is a dielectric? (a) Copper (b) Glass (c) Antimony (Sb) (d) None of these

Answer: (c) Antimony (Sb)

(iv) For a polar molecule, which of the following statements is true ? (a) The centre of gravity of electrons and protons coincide. (b) The centre of gravity of electrons and protons do not coincide. (c) The charge distribution is always symmetrical. (d) The dipole moment is always zero.

Answer: (b) The centre of gravity of electrons and protons do not coincide.

(v) When a comb rubbed with dry hair attracts pieces of paper. This is because the (a) comb polarizes the piece of paper (b) comb induces a net dipole moment opposite to the direction of field (c) electric field due to the comb is uniform (d) comb induces a net dipole moment perpendicular to the direction of field

Answer: (a) comb polarizes the piece of paper

Case Study 3: Electrostatic Potential and Capacitance, explores the concepts of electric potential energy, electric potential, and capacitance. The electric potential at a point in an electric field is the amount of work done per unit charge in bringing a positive test charge from infinity to that point against the electric force. It’s important to note that the potential energy of a system of charges is defined as the work done in assembling the system of charges from infinity. The chapter further introduces the concept of capacitance. A capacitor is a device that stores electrical energy in an electric field. It’s essentially a system of two conductors separated by an insulator, and its capacitance is the ratio of the amount of charge stored on one conductor to the potential difference between the conductors.

What is the electric potential at a point in an electric field?

A) The amount of work done per unit charge in bringing a negative test charge from infinity to that point.

• B) The amount of work done per unit charge in bringing a positive test charge from infinity to that point.

C) The force experienced by a unit positive charge at that point.

D) The force experienced by a unit negative charge at that point.

How is the potential energy of a system of charges defined?

A) As the work done in disassembling the system of charges to infinity.

• B) As the work done in assembling the system of charges from infinity.

C) As the force experienced by the system of charges.

D) As the amount of charge in the system.

What is a capacitor?

A) A device that measures the potential difference between two points.

B) A device that measures the amount of charge in an electric field.

• C) A device that stores electrical energy in an electric field.

D) A device that converts electrical energy into mechanical energy.

What is the capacitance of a capacitor?

A) The ratio of the potential difference between the conductors to the amount of charge stored on one conductor.

• B) The ratio of the amount of charge stored on one conductor to the potential difference between the conductors.

C) The total amount of charge stored on the conductors.

D) The potential difference between the conductors.

What does a capacitor essentially consist of?

• A) Two conductors separated by an insulator.

B) Two insulators separated by a conductor.

C) A single conductor surrounded by an insulator.

D) A single insulator surrounded by a conductor.

Hope the information shed above regarding Case Study and Passage Based Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers Pdf free download has been useful to an extent. If you have any other queries about CBSE Class 12 Physics Electrostatic Potential and Capacitance Case Study and Passage Based Questions with Answers, feel free to comment below so that we can revert back to us at the earliest possible. By Team Study Rate

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CBSE Class 12 Physics Question Paper 2024, All SETs Download PDF

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CBSE Class 12 Physics Exam 2024:  CBSE Class 12 Result 2024 is out and students who got below the passing marks might be looking for the recent question papers to practice for the supplementary exams. Worry not you will get through this with right preparation. Here, you will get the latest 2024 question paper PDFs of CBSE Class 12 Physics.

The Physics exam for CBSE Class 12 was conducted on March 4, 2024 (Monday). The exam was scheduled for three hours, from 10:30 a.m. to 12:30 p.m. The CBSE Class 12 Physics exam 2024 was conducted to evaluate the student's learning for the theoretical knowledge of the subject. The 12th Physics syllabus covered nine units, and the questions were asked of them. 

The CBSE 12th Physics 2024 question paper has multiple sets that were distributed among students to avoid any mishaps or cheating. Here, you will get the free downloadable PDF of the Physics Class 12 question paper (all sets).  Read the article on paper analysis and answer the key.

CBSE Class 12 Physics Highlights

Check the general details related to the CBSE Class 12 Physics Exam 2024 from the table below:

CBSE Class 12 Physics 2024 Question Paper Pattern 

The CBSE 12th Physics paper was conducted to evaluate the theoretical knowledge of nine units covered in the CBSE Class 12 Physics Syllabus 2024. The paper had five sections, from A to E. Each section has a specified number of questions and a specific typology of questions. The table below shows the question paper pattern for the Class 12 Physics, CBSE 2024 exam.

CBSE Class 12 Physics 2024 Question Paper PDF

You will get the free, downloadable PDF of the CBSE Class 12 Physics question paper 2024 here. All the major sets will be available in PDF format that students and teachers can download for further use. 

Get the PDF from the link below:

CBSE Class 12  Physics Paper 2024 Set 1 PDF

CBSE Class 12  Physics Paper 2024 Set 2 PDF

CBSE Class 12  Physics Paper 2024 Set 3 PDF

CBSE Class 12 Physics Answer Key 2024

To match your numbers with expert-designed solutions for CBSE Class 12 Physics Paper 2024, click on the link below. This provisional answer key or solution is available for free and can be used as a reference to compare your answers. 

How Was the CBSE Class 12 Physics Exam 2024? Know Students and Expert Reaction

To know how the paper was conducted and what students and experts think of the physics paper conducted for CBSE Class 12, you can check the paper analysis provided in the link below:

• CBSE Class 12 Syllabus 2024
• CBSE Date Sheet 2024
• CBSE Class 12 Sample Papers 2024
• CBSE Class 12 Biology Revision Notes 2024
• CBSE Class 12 Chapter-Wise Biology MCQs 2024
• Revised NCERT Textbooks Class 12 PDF

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Case Study Questions for Class 12 Physics Chapter 13 Nuclei

• Last modified on: 2 years ago
• Reading Time: 4 Minutes

Case Study Question 1:

Read the passage given below and answer the following questions:

Neutrons and protons are identical particle in the sense that their masses are nearly the same and the force, called nuclear force, does into distinguish them. Nuclear force is the strongest force. Stability of nucleus is determined by the neutron proton ratio or mass defect or packing fraction. Shape of nucleus is calculated by quadrupole moment and spin of nucleus depends on even and odd mass number. Volume of nucleus depends on the mass number. Whole mass of the atom (nearly 99%) is centred at the nucleus.

(i) The correct statements about the nuclear force is/are (a) charge independent (b) short range force (c) non-conservative force (d) all of these.

(ii) The range of nuclear force is the order of (a) 2 x 10 -10 m (b) 1.5 x 10 -20 m (c) 1.2 x 10 -4 m (d) 1.4 x 10 -15 m

(iii) A force between two protons is same as the force between proton and neutron. The nature of the force is (a) electrical force (b) weak nuclear force (c) gravitational force (d) strong nuclear force

(iv) two protons are kept at a separation of 40 A 0 . F n is the nuclear force and F e is the electrostatic force between them. Then (a) F n <<F e (b) F n = F e (c) F n >> F e (d) F n ≈ F e

(v) All the nucleons in an atom are held by (a) nuclear forces (b) vander waal’s forces (c) tensor forces (d) coulomb forces

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CBSE Case Study Class 12

While preparing for the board exams, students are being judged on different levels of skills, such as writing, reading, etc. CBSE Case Study Class 12 questions are one of them that helps in assessing critical thinking.

The Central Board of Secondary Education will be asking the case study questions in the Class 12 board examination. Therefore, here on this page, we have provided the CBSE Case Study Class 12 for Maths, Physics, Chemistry, Biology and other subjects. Our subject matter experts have prepared Case Study questions so that Apart from the basic standard questions, students can have a variety of problems to solve. 

Just like MCQs, and other written types questions CBSE Case Study Class 12 questions will impact the overall performance of a student. Therefore for the convenience of the students we have provided the download links here, so that they can easily access the Class 12 Case Study.

Download Subject Wise CBSE Case Study Class 12 Question and Answers PDF 

There are three different streams in class 12th: Science, Arts & Commerce. And all these streams have a variety of subjects therefore, here our subject experts have crafted the Subject Wise Case Study For Class 12. Download Subject Wise CBSE Case Study Class 12 Question and Answers PDF from the below given links.

CBSE Case Study Questions Class 12 for Maths

To learn how to answer CBSE Case Study Class 12 maths questions, it would be a good choice to refer to the separate set of questions in PDF. CBSE Case Study Questions for Class 12 Maths can be quite useful and helpful in understanding how the board will prepare the case based questions for maths. 

The Maths Case studies are distributed into different chapters as per the prescribed syllabus of maths. Each and every chapter contains several number of case studies problems which enable the learners to gain in-depth knowledge in the subject.

The maths case study questions of class 12 are usually based on the formula. If any student wants to get a good score in maths case studies then they have to be well versed with a set of formulas as per the chapters and topics. Case Study Class 12 Maths can be downloaded here on this website for free of cost.

Case Study Questions Class 12 Chapter 1 Relations And Functions

Case Study Questions Class 12 Chapter  3 Matrices

Case Study Questions Class 12 Chapter  4 Determinants

Case Study Questions Class 12 Chapter  5 Continuity And Differentiability

Case Study Questions Class 12 Chapter  6 Application Of Derivatives

Case Study Questions Class 12 Chapter  8 Application Of Integrals

Case Study Questions Class 12 Chapter  9 Differential Equations

Case Study Questions Class 12 Chapter  10 Vector Algebra

Case Study Questions Class 12 Chapter  11 Three Dimensional Geometry

Case Study Questions Class 12 Chapter  12 Linear Programming

Case Study Questions Class 12 Chapter  13 Probability

CBSE Case Study Questions Class 12 for Physics

CBSE Class 12 Physics Case Study for different chapters can be interesting to solve. Class 12th physics case studies generally contain descriptive paragraphs and 4 to 5 different questions are given based on the paragraph. Students are required to read the paragraph thoroughly and understand them as well as observe the given data and information to answer the Class 12 Case Study Questions for Physics. 

In order to solve those questions students are required to have a better understanding of the basic level of physics concepts too, so make sure to use Class 12 Revision Notes of Physics. 

Case Study Questions Class 12 Chapter 1 Electric Charges and Fields

Case Study Questions Class 12 Chapter 2 Electrostatic Potential And Capacitance

Case Study Questions Class 12 Chapter 3 Current Electricity

Case Study Questions Class 12 Chapter 4 Moving Charges And Magnetism

Case Study Questions Class 12 Chapter 5 Magnetism And Matter

Case Study Questions Class 12 Chapter 6 Electromagnetic Induction

Case Study Questions Class 12 Chapter 7 Alternating Current

Case Study Questions Class 12 Chapter 8 Electromagnetic Waves

Case Study Questions Class 12 Chapter 9 Ray Optics & Optical Instruments

Case Study Questions Class 12 Chapter 10 Wave Optics

Case Study Questions Class 12 Chapter 11 Dual Nature Radiation & Matter

Case Study Questions Class 12 Chapter 12 Atoms

Case Study Questions Class 12 Chapter 13 Nuclei

Case Study Questions Class 12 Chapter 14 Semiconductor Electronics - Materials, Devices & Simple Circuits

CBSE Case Study Questions Class 12 for Chemistry

Students opted for Science stream will have to study CBSE Case Study Class 12 Chemistry. The given PDF of CBSE Class 12 Case Study Questions for Chemistry will enable the students to practice tons of questions on a regular basis. It will help them to revise the chemistry questions and its syllabus frequently. The Case study questions allow students to think more creative and find the answers in the quickest way possible. Links to download the PDF file of Class 12 Chemistry Case Study are given here.

Case Study Questions Class 12 Chapter 1 The Solid State

Case Study Questions Class 12 Chapter  2 Solutions

Case Study Questions Class 12 Chapter  3 Electrochemistry

Case Study Questions Class 12 Chapter  4 Chemical Kinetics

Case Study Questions Class 12 Chapter  5 Surface Chemistry  

Case Study Questions Class 12 Chapter  7 The p-Block Elements

Case Study Questions Class 12 Chapter  8 The d- and f-Block Elements

Case Study Questions Class 12 Chapter  9 Coordination Compounds

Case Study Questions Class 12 Chapter  10 Haloalkanes And Haloarenes

Case Study Questions Class 12 Chapter 11 Alcohols, Phenols And Ethers

Case Study Questions Class 12 Chapter  12 Aldehydes. Ketones & Carboxylic Acids

Case Study Questions Class 12 Chapter  13 Amines

Case Study Questions Class 12 Chapter 14 Biomolecules

CBSE Case Study Questions Class 12 for Biology

There are lots of chapters in class 12 Biology from which Class 12 Case Study Questions can be framed. Going through such types of questions help the students to assess their understanding level in the topics discussed in NCERT Class 12 Biology Books. By practicing the Class 12 Case Study Questions for Biology students will be very confident to ace the board exam. Also the Biology case study will be very useful for the NEET exam preparation.

Doing a regular practice of Class 12 Biology Case Study questions is a great way to score higher marks in the board exams as it will help students to develop a grip on the concepts. 

Case Study Questions Class 12 Chapter 2 Sexual Reproduction in Flowering Plants

Case Study Questions Class 12 Chapter 3 Human Reproduction

Case Study Questions Class 12 Chapter 4 Reproductive Health

Case Study Questions Class 12 Chapter 5 Principles of Inheritance & Variation

Case Study Questions Class 12 Chapter 6 Molecular Basic of Inheritance

Case Study Questions Class 12 Chapter 8 Human Health And Diseases

Case Study Questions Class 12 Chapter 10 Microbes in Human Welfare

Case Study Questions Class 12 Chapter 11 Biotechnology - Principles & Processes

Case Study Questions Class 12 Chapter 12 Biotechnology And Its Applications

Case Study Questions Class 12 Chapter 13 Organisms And Populations

Case Study Questions Class 12 Chapter 15 Biodiversity And Conversation

Case study types of questions are generally descriptive that helps to gather more information easily so, it is kinda easy to answer. However, our subject matter experts have given the solutions of all the CBSE Case Study Class 12 Biology questions.

Passage Based Class 12 Case Study Questions in PDF

CBSE Class 12 Case studies are known as Passage Based Questions. These types of problems usually contain a short/long paragraph with 4 to 5 questions. 

Students can easily solve Passage Based Class 12 Case Study Questions by reading those passages. By reading the passage students will get the exact idea of what should be the answers. Because the passage already contains some vital information or data. However a better understanding of the basic concepts that can be learned from the NCERT Class 12 Textbooks will aid in solving the Case based questions or passage based questions.

How to Download CBSE Case Study of Class 12?

Follow the below given simple steps to know how to download CBSE Case Study of Class 12:-

• Open Selfstudys website in your browser
• Go to the navigation menu that look like this
• Now, click on CBSE and then Case Study respectively
• A new page will open, where you have to click on “Class 12”
• Now, you are ready to select the subject for which you want to download the case study questions.

How to Solve Case Study Based Questions of Class 12?

There are very simple methods that a student should keep in mind while solving CBSE Case Study Class 12 for any subject:

• Read each line of paragraph carefully and pay attention to the given data/numbers. Often questions are framed according to the highlighted data of the passage.
• Since case study questions are often framed in Multiple choice questions, students should have the knowledge of elimination methods in MCQs.
• Having a good understanding of the topics that are discussed in CBSE Class 12 Books are ideal to Solve Case Study Based Questions of Class 12.

Features Of Class 12 Case Study Questions And Answers PDF

The three most noticeable features of Class 12 Case Study Questions And Answers Pdf are -

• It Is Free To Use:  Keeping in mind the need of students and to help them in doing Self Study, our team has made all the PDF of CBSE Case Study Class 12 free of cost.
• Answers Are Given:  Not only the PDFs are free provided but answers are given for all the questions of CBSE Case Study Class 12. 
• PDF Can Be Downloaded Or Viewed Online:  Many students don’t like to download the PDFs on their device due to the shortage of storage. Therefore, CBSE Class 12 Case Study questions are made available here in online format, so that students can view them online. However, through the Selfstudys app, a learner can download the PDFs too.

Benefits of Using CBSE Class 12 Case Study Questions and Answers

The CBSE Class 12 Case Study Questions and Answers can help a student in several ways:

• In Exam Preparation:  Those who go through the CBSE Case Study Class 12 will find support during the exam preparation as case based questions are also asked in the CBSE Class 12 Board examination. 
• Help in brushing up the previous learnings:  No matter how brilliant you are, you have to revise the studied topics time and again to keep them refreshed. And in this task, the CBSE Class 12 Case Study Questions and Answers can help a lot.
• To develop the critical thinking:  Able to analyse information and make an objective judgement is a skill that is known as critical thinking. A student of class 12 can use CBSE Case Study Class 12 with answers to develop critical thinking so that they can make better decisions in their life and in the board examination.

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