PYQ Vault

Day 9: MH HSC Class 12 Physics

5 questions. Try each one first, then open its answer.

  1. Question 1

    Oscillations. Asked 2 times: Feb 2025, Feb 2026

    Q. 17
    Obtain an expression for period of a bar magnet vibrating in a uniform magnetic field and performing angular S.H.M.

  2. Question 2

    Current Electricity. Asked 2 times: Mar 2018, Jun 2025

    Q. 19
    With the help of neat labelled circuit diagram explain the use of metre bridge to determine unknown resistance.

  3. Question 3

    Electromagnetic Induction. Asked 2 times: Feb 2025, Jun 2025

    Q. 29
    Obtain an expression for motional e.m.f. in a rotating bar with constant angular velocity ω\omega in uniform magnetic field perpendicular to plane of rotation. The mutual inductance (M) of the two coils is 1.5H. The self inductances of the coils are 5H and 4H. Calculate the coefficient of coupling between the coils.

  4. Question 4

    Magnetic Materials. Asked 2 times: Mar 2019, Jun 2025

    Answer the following questions :
    Q. 2(ii)
    What happens to the ferromagnetic substance when it is heated above Curie temperature?

  5. Question 5

    Magnetic Materials. Asked 2 times: Jul 2024, Jun 2025

    Q. 8
    Distinguish between diamagnetic and paramagnetic substances.