PYQ Vault

Day 73: MH HSC Class 12 Physics

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

  1. Question 1

    Semiconductor Devices. Asked once: Jun 2025

    Answer the following questions :
    Q. 2(iv)
    In a photodiode, on which property the dark current depends?

  2. Question 2

    Structure of Atoms and Nuclei. Asked once: Mar 2016

    Q. 7 OR
    With the help of a neat labelled diagram, describe the Geiger-Marsden experiment. What is mass defect?

  3. Question 3

    Superposition of Waves. Asked once: Jul 2024

    Q. 5
    Distinguish between progressive waves and stationary waves.

  4. Question 4

    Thermodynamics. Asked once: Jul 2024

    Q. 28
    Explain the concept of positive and negative work with varying pressure. Draw corresponding p-V diagrams.

  5. Question 5

    Wave Optics. Asked once: Jun 2025

    Q. 13
    What must be the ratio of the slit width to the wavelength for a single slit to have the first diffraction minimum at 45°?