PYQ Vault

Day 53: MH HSC Class 12 Physics

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

  1. Question 1

    Superposition of Waves. Asked once: Mar 2016 (same type asked 2 times)

    Q. 2(iv)
    If sound waves are reflected from surface of denser medium, there is phase change of ________.

    Tap an option to check your answer.

  2. Question 2

    Wave Optics. Asked once: Mar 2016 (same type asked 2 times)

    Q. 8(i)
    Determine the change in wavelength of light during its passage from air to glass. If the refractive index of glass with respect to air is 1.5 and the frequency of light is 3.5×10143.5 \times 10^{14} Hz, find the wave number of light in glass. [Velocity of light in air (c=3×108 m/sc = 3 \times 10^{8}\text{ m/s})].

  3. Question 3

    Rotational Dynamics. Asked once: Mar 2016 (same type asked 2 times)

    Q. 1(iii)
    Obtain an expression for total kinetic energy of a rolling body in the form 12MV2[1+K2R2]\frac{1}{2}MV^{2}\left\lbrack 1 + \frac{K^{2}}{R^{2}} \right\rbrack.

  4. Question 4

    Wave Optics. Asked once: Mar 2022 (same type asked 6 times)

    Q. 11
    Plane wavefront of light of wavelength 6000 A˚6000\text{ Å} is incident on two slits on a screen perpendicular to the direction of light rays. If the total separation of 10 bright fringes on a screen 2 m away is 2 cm, find the distance between the slits.

  5. Question 5

    Rotational Dynamics. Asked once: Feb 2024 (same type asked 5 times)

    Q. 1(i)
    The moment of inertia (MI) of a disc of radius R and mass M about its central axis is _____.

    Tap an option to check your answer.