PYQ Vault

Day 66: MH HSC Class 12 Physics

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

  1. Question 1

    Mechanical Properties of Fluids. Asked once: Jun 2026

    Q. 16
    On the basis of molecular theory, explain the phenomenon of surface tension.

  2. Question 2

    Oscillations. Asked once: Feb 2026

    Q. 1(viii)
    A particle is subjected to two parallel S.H.M.s such that x=2sin⁡ωtx = 2\sin\omega t and y=2sin⁡(ωt+π3)y = 2\sin\left(\omega t + \dfrac{\pi}{3}\right). The amplitude of the resultant S.H.M. will be _____.

    Tap an option to check your answer.

  3. Question 3

    Rotational Dynamics. Asked once: Jun 2026

    Answer the following questions :
    Q. 2(vii)
    A motorcyclist performs horizontal circular motion inside a well of inner radius 3 m. Calculate the minimum speed to perform the stunt if coefficient of static friction is 0.3. [ g=10 m/s2g = 10\ \text{m/s}^{2} ].

  4. Question 4

    Semiconductor Devices. Asked once: Jun 2026

    Answer the following questions :
    Q. 2(v)
    Which semiconductor device converts solar energy into electrical energy?

  5. Question 5

    Structure of Atoms and Nuclei. Asked once: Feb 2026

    Answer the following questions :
    Q. 2(vi)
    What is beta plus decay?