CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved

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Class 12 Physics Solved Model Papers: CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved

Review targeted exam resources with the CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved. Built according to official CBSE standards for the 2026-27 academic year, these downloadable Class 12 Physics sample papers support effective revision and performance tracking.

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Navigate directly to the solved Physics model papers using the digital viewer below. Each practice set includes detailed solutions, allowing students to instantly cross-check their work and identify areas requiring further revision.

CBSE Class 12 Physics Sample Paper 2020 Solved (4). It’s always recommended to practice as many sample papers as possible before the examinations. Students can download the sample papers and also question papers of previous years to practice and score better marks in examinations. Refer to other links too for more sample papers. 

1.A conducting wire is kept along the E→W direction and is allowed to fall freely. Will an e.m.f be induced in the wire?

2.What physical quantity is same for X-rays of wavelength 10-10 m, red light of wavelength 6800 Å and radio wave of wavelength 500 m?

3.How does focal length of a lens change when red light incident on it is replaced by violet light? Give reason for your answer.

4.Which of the following waves can be polarized (i) Heat waves (ii) Sound waves? Give reason to support your answer.

5.Write the relationship between the size of a nucleus and its mass number (A).

6. A parallel beam of light of wavelength 600 nm is incident normally on a slit of width ‘a’. If the distance between the slits and the screen is 0.8 m and the distance of 2nd order maximum from the centre of the screen is 15 mm, calculate the width of the slit.

Or

Two polaroids ‘A’ and ‘B’ are kept in crossed position. How should a third polaroid ‘C’ be placed between them so that the intensity of polarised light transmitted by polaroid B reduces to 1/8th of the intensity of unpolarised light incident on A?

7. A magnet is quickly moved in the direction indicated by an arrow between two coils C1 and C2 as shown in the figure. What will be the direction of induced current in each coil as seen from the magnet? Justify your answer..

CBSE Class 12 Physics Sample Paper 2020 Solved (4)

8.A ray of monochromatic light passes from medium 1 to medium 2 . if the angle of incidence in medium is ϴ and corresponding angle of refraction in medium 2 is ϴ/2, which of the two media is optically denser? Give reason.
 
9. Define the current sensitivity of a galvanometer. Write its S.I. unit. On which factor current sensitivity of galvanometer depends.
 
10.(a) An em wave is travelling in a medium with a velocity. Draw a sketch showing the propagation of the em wave, indicating the direction of the oscillating electric and magnetic fields.
(b) How are the electric and magnetic fields related to velocity of the em wave?
 
11.Two concentric metallic spherical shells of radii R and 2R are given charges Q1 and Q2 respectively. The surface charge densities on the outer surfaces of the shells are equal. Determine the ratio Q1 : Q2.
 
12. What is meant by term ‘modulation’? Draw a block diagram of a simple modulator for obtaining an AM signal.


Please click the link below to download CBSE Class 12 Physics Sample Paper 2020 Solved (4).


Free study material for Physics

Exam Preparation Sample Paper for Class 12 Physics CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved

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Review model practice papers for Class 12 Physics. Working through the CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved under simulated test conditions at home ensures complete familiarity with upcoming school evaluations.

Key Advantages of Solving CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved

  • Original Practice Material: Access unique questions for Physics designed to challenge your understanding.
  • Self-Assessment: Evaluate scores per set to pinpoint weak zones in Class 12 Physics.
  • Exam Completion Skills: Routine problem sets train you to manage test duration efficiently without stress.

How to Analyze Your Performance in CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved

  1. Review Solutions: Evaluate your completed papers using expert-verified guidance inside our solution sets.
  2. Target Weaknesses: Class 12 students should analyze missed questions to rectify conceptual misunderstandings.
  3. Deep Revision: Re-read sections in the NCERT book for Class 12 Physics to clear doubts before solving items again.

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Yes, CBSE Class 12 Physics Sample Paper 2020 Set 04 Solved comes with detailed, teacher-verified solutions. We have provided step-by-step answers for Physics to help students of Class 12 understand correct methodology and marking scheme.

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Practicing this Physics paper helps in time management and identifying important topics. For Class 12, solving mock papers is the best way to gain confidence and reduce exam-day anxiety.

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