PYQ Vault

Day 49: MH HSC Class 12 Physics

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

  1. Question 1

    Superposition of Waves. Asked once: Mar 2022 (same type asked 2 times)

    Q. 1(x)
    The equation of a simple harmonic progressive wave travelling on a string is y=8 sin(0.02x−4t) cmy = 8\ sin(0.02x - 4t)\text{ cm}. The speed of the wave is ________.

    Tap an option to check your answer.

  2. Question 2

    Kinetic Theory of Gases and Radiation. Asked once: Jul 2024 (same type asked 2 times)

    Q. 29
    Deduce an expression for molar specific heat of a monoatomic gas at constant volume. Find kinetic energy of 4000 cc of a gas at S.T.P. [ Given : Standard pressure is 1.013×105 N/m21.013 \times 10^{5}\ \text{N/m}^{2} ]

  3. Question 3

    Magnetic Fields due to Electric Current. Asked once: Feb 2024 (same type asked 2 times)

    Q. 15
    A circular coil of wire is made up of 200 turns, each of radius 10 cm. If a current of 0.5A passes through it, what will be the magnetic field at the centre of the coil?

  4. Question 4

    Semiconductor Devices. Asked once: Feb 2024 (same type asked 2 times)

    Q. 9
    What is a Light Emitting Diode? Draw its circuit symbol.

  5. Question 5

    Thermodynamics. Asked once: Feb 2024 (same type asked 2 times)

    Answer the following questions :
    Q. 2(vi)
    What is surroundings in thermodynamics?