PYQ Vault

Day 51: MH HSC Class 12 Physics

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

  1. Question 1

    Dual Nature of Radiation and Matter. Asked once: Feb 2023 (same type asked 2 times)

    Q. 1(ix)
    If the maximum kinetic energy of emitted electrons in photoelectric effect is 2eV, the stopping potential will be _______.

    Tap an option to check your answer.

  2. Question 2

    Electrostatics. Asked once: Mar 2017 (same type asked 2 times)

    Q. 5(vii)
    If the charge on the condenser of 10μF10\mu\text{F} is doubled, then the energy stored in it becomes ___________.

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  3. Question 3

    Kinetic Theory of Gases and Radiation. Asked once: Mar 2022 (same type asked 2 times)

    Q. 14
    The difference between the two molar specific heats of a gas is 9000 J/kg K. If the ratio of the two specific heats is 1.5, calculate the two molar specific heats.

  4. Question 4

    Rotational Dynamics. Asked once: Mar 2017 (same type asked 2 times)

    Q. 2(i)
    Explain the concept of centripetal force.

  5. Question 5

    Structure of Atoms and Nuclei. Asked once: Mar 2016 (same type asked 2 times)

    Q. 5(viii)
    The decay constant of radioactive substance is 4.33×10−44.33 \times 10^{- 4} per year. Calculate its half life period.