PYQ Vault

Day 57: MH HSC Class 12 Physics

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

  1. Question 1

    Thermodynamics. Asked once: Feb 2023 (same type asked 3 times)

    Q. 29(ii)
    104 J of work is done on certain volume of a gas. If the gas releases 125 kJ of heat, calculate the change in internal energy of the gas.

  2. Question 2

    Wave Optics. Asked once: Mar 2016 (same type asked 3 times)

    Q. 6(i)
    If the polarising angle for a given medium is 60∘60^{\circ}, then the refractive index of the medium is ________.

    Tap an option to check your answer.

  3. Question 3

    Dual Nature of Radiation and Matter. Asked once: Mar 2016 (same type asked 3 times)

    Q. 6(v)
    The energy of photon of wavelength λ\lambda is ________. [h= Planck's constant, c = speed of light in vacuum]

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  4. Question 4

    Electromagnetic Induction. Asked once: Mar 2017 (same type asked 3 times)

    Q. 6(vi)
    The magnetic flux through a loop is varying according to a relation ϕ=6t2+7t+1\phi = 6t^{2} + 7t + 1 where ϕ\phi is in milliweber and t is in second. What is the e.m.f. induced in the loop at t=2t = 2 second?

  5. Question 5

    Kinetic Theory of Gases and Radiation. Asked once: Mar 2018 (same type asked 3 times)

    Q. 1(vi)
    The kinetic energy per molecule of a gas at temperature T is ________.

    Tap an option to check your answer.