PYQ Vault

Day 39: MH HSC Class 12 Physics

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

  1. Question 1

    Magnetic Materials. Asked once: Mar 2019 (same type asked 3 times)

    Q. 10
    The susceptibility of magnetism at 300 K is 1.2×10−151.2 \times 10^{- 15}. What will be its susceptibility at 200 K?

  2. Question 2

    Mechanical Properties of Fluids. Asked once: Feb 2025 (same type asked 3 times)

    Q. 25
    Diameter of a water drop is 0.6 mm. Calculate the pressure inside a liquid drop. (T=72T = 72 dyne/cm, atmospheric pressure =1.013×105 N/m2= 1.013 \times 10^{5}\ \text{N/m}^{2} )

  3. Question 3

    Oscillations. Asked once: Mar 2022 (same type asked 3 times)

    Q. 30
    Define second's pendulum. Derive a formula for the length of second's pendulum. A particle performing linear S.H.M. has maximum velocity 25 cm/s25\text{ cm/s} and maximum acceleration 100 cm/s2100\text{ cm/s}^{2}. Find period of oscillations.

  4. Question 4

    Thermodynamics. Asked once: Feb 2024 (same type asked 3 times)

    Q. 1(vii)
    In a cyclic process, if ΔU=\Delta U = internal energy, W = work done, Q = Heat supplied then

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  5. Question 5

    Wave Optics. Asked once: Mar 2018 (same type asked 3 times)

    Q. 5(vii)
    Glass plate of refractive index 1.732 is to be used as a polariser, its polarising angle is ________.

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