PYQ Vault

Day 42: MH HSC Class 12 Physics

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

  1. Question 1

    Rotational Dynamics. Asked once: Jul 2024 (same type asked 3 times)

    Answer the following questions :
    Q. 2(i)
    What is the radius of gyration of a solid sphere of radius R about its diameter?
  2. Question 2

    Magnetic Materials. Asked once: Feb 2023 (same type asked 3 times)

    Q. 10
    A bar magnet of mass 120 g in the form of a rectangular parallelepiped, has dimensions l=40l = 40 mm, b=100b = 100 mm and h=80h = 80 mm, with its dimension 'h' vertical, the magnet performs angular oscillations in the plane of the magnetic field with period π\pi seconds. If the magnetic moment is 3.4 Am23.4\ \text{Am}^{2}, determine the influencing magnetic field.
  3. Question 3

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

    Q. 2(iv)
    Write the Boolean expression for Exclusive -- OR (X -- OR) gate.
  4. Question 4

    Superposition of Waves. Asked once: Feb 2024 (same type asked 3 times)

    Q. 1(iii)
    Phase difference between a node and an adjacent antinode in a stationary wave is _____.

    Tap an option to check your answer.

  5. Question 5

    Electromagnetic Induction. Asked once: Feb 2023 (same type asked 3 times)

    Q. 28(ii)
    A wire 5 m long is supported horizontally at a height of 15 m along east-west direction. When it is about to hit the ground, calculate the average e.m.f. induced in it. (g=10 m/s2g = 10\ \text{m/s}^{2})