CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A

Access and download CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A, carefully designed as per the latest 2025-26 examination guidelines issued by CBSE, NCERT, and KVS. These Class 12 Physics previous year question papers include detailed solutions, helping students to assess their performance and identify and improve key areas before the final exams.

Solved Physics Question Papers for Class 12

Practicing these Class 12 Physics question papers is the best way to understand the actual exam pattern and marking scheme. By solving these papers under timed conditions, Class 12 students can improve their speed and accuracy. Download the full CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A to begin your self-assessment today.

Physics Class 12 Question Paper PDF with Solutions

SECTION A

1. If the net electric flux through a closed surface is zero, then we can infer
 
(A) no net charge is enclosed by the surface.
 
(B) uniform electric field exists within the surface.
 
(C) electric potential varies from point to point inside the surface. 
 
(D) charge is present inside the surface.
 
2. An electric dipole consisting of charges + q and – q separated by a distance L is in stable equilibrium in a uniform electric field E. The electrostatic potential energy of the dipole is 
 
(A) qLE
 
(B) zero
 
(C) – qLE
 
(D) – 2 qEL
 
3. A potentiometer can measure emf of a cell because 
 
(A) the sensitivity of potentiometer is large.
 
(B) no current is drawn from the cell at balance.
 
(C) no current flows in the wire of potentiometer at balance.
 
(D) internal resistance of cell is neglected.
 
4. Two resistors R1 and R2 of 4 Ω and 6 Ω are connected in parallel across a battery. The ratio of power dissipated in them, P1 : P2 will be 
 
(A) 4 : 9
 
(B) 3 : 2
 
(C) 9 : 4
 
(D) 2 : 3
 
5. The magnetic dipole moment of a current carrying coil does not depend upon 
 
(A) number of turns of the coil.
 
(B) cross-sectional area of the coil.
 
(C) current flowing in the coil.
 
(D) material of the turns of the coil.
 
6. Larger aperture of objective lens in an astronomical telescope 
 
(A) increases the resolving power of telescope.
 
(B) decreases the brightness of the image.
 
(C) increases the size of the image.
 
(D) decreases the length of the telescope.
 
7. A biconvex lens of glass having refractive index 1·47 is immersed in a liquid. It becomes invisible and behaves as a plane glass plate. The refractive index of the liquid is 
 
(A) 1·47
 
(B) 1·62
 
(C) 1·33
 
(D) 1·51
 
8. For a glass prism, the angle of minimum deviation will be smallest for the light of 
 
(A) red colour.
 
(B) blue colour.
 
(C) yellow colour.
 
(D) green colour.
 
9. Which of the following statements is not correct according to Rutherford model ? 
 
(A) Most of the space inside an atom is empty.
 
(B) The electrons revolve around the nucleus under the influence of coulomb force acting on them.
 
(C) Most part of the mass of the atom and its positive charge are concentrated at its centre.
 
(D) The stability of atom was established by the model.
Please click on below link to download CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A.

CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A

To understand the types of questions asked in past examinations, it is very important for Class 12 students to solve the CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A provided above. You can easily download these past papers for Class 12 Physics in PDF format for the last 10 years. By practicing these actual exam questions you will gain an understanding of the difficulty level and the variety of topics covered over the years. By solving these Previous Year Papers (PYPs) you will understand both descriptive and MCQ questions in your final tests.

Importance of solving CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A

Regularly practicing CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A is the best way to improve your score in Class 12 Physics. These papers will give you details of the marking scheme and the paper structure used by the CBSE. By regularly attempting these under actual exam conditions at home, you can slowly improve your time management skills, which will help you to complete your Physics paper within the allowed duration.

Benefits of downloading CBSE Class 12 Question Papers

Having the CBSE Class 12 Physics Boards 2020 Question Paper Solved Set A in PDF format allows you to revise key concepts anywhere, even without an internet connection. These sets are a reliable tool to practice numerical problems and understand the correct approach to all types of answers. After solving the questions, you should compare your work with the solutions provided by our teachers. Along with these papers, students should always solve the Class 12 Physics Sample Papers and MCQ tests on studiestoday.com for a complete revision.

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