PYQ Vault

Day 62: MH HSC Class 12 Physics

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

  1. Question 1

    Structure of Atoms and Nuclei. Asked once: Mar 2022 (same type asked 4 times)

    Q. 22
    Determine the shortest wavelengths of Balmer and Paschen series. Given the limit for Lyman series is 912 A˚912\text{ Å}.

  2. Question 2

    Electrostatics. Asked once: Mar 2016 (same type asked 4 times)

    Q. 6(iii)
    Electric intensity due to a charged sphere at a point outside the sphere decreases with ___________.

    Tap an option to check your answer.

  3. Question 3

    Superposition of Waves. Asked once: Mar 2017 (same type asked 4 times)

    Q. 1(vi)
    Velocity of a transverse wave along a stretched string is proportional to ________. (TT = tension in the string)

    Tap an option to check your answer.

  4. Question 4

    Kinetic Theory of Gases and Radiation. Asked once: Feb 2023 (same type asked 4 times)

    Q. 12
    Compare the rate of loss of heat from a metal sphere at 827°C with rate of loss of heat from the same at 427°C, if the temperature of surrounding is 27°C.

  5. Question 5

    Oscillations. Asked once: Mar 2017 (same type asked 4 times)

    Q. 4
    Prove the law of conservation of energy for a particle performing simple harmonic motion. Hence graphically show the variation of kinetic energy and potential energy w. r. t. instantaneous displacement.