PYQ Vault

Day 37: MH HSC Class 12 Physics

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

  1. Question 1

    Kinetic Theory of Gases and Radiation. Asked once: Feb 2025 (same type asked 4 times)

    Q. 8
    Calculate the energy radiated in one minute by a perfectly black body of surface area 200 cm2200\ \text{cm}^{2} when it is maintained at 127°C.

  2. Question 2

    Oscillations. Asked once: Feb 2020 (same type asked 4 times)

    Q. 2(v)
    At which position, the total energy of a particle executing linear S.H.M. is purely potential?

  3. Question 3

    Current Electricity. Asked once: Feb 2023 (same type asked 4 times)

    Q. 19
    Explain the use of potentiometer to determine internal resistance of a cell.

  4. Question 4

    Rotational Dynamics. Asked once: Jul 2024 (same type asked 4 times)

    Q. 27
    Derive an expression for minimum speed to perform stunts in well of death. Part of a racing track is to be designed for a radius of curvature of 288 m. We are not recommending the vehicles to drive faster than 216 km/hr. With what angle should the road be tilted?

  5. Question 5

    Structure of Atoms and Nuclei. Asked once: Mar 2017 (same type asked 4 times)

    Q. 6(viii)
    Find the frequency of revolution of an electron in Bohr's 2nd2^{nd} orbit; if the radius and speed of electron in that orbit is 2.14×10−10 m2.14 \times 10^{- 10}\text{ m} and 1.09×106 m/s1.09 \times 10^{6}\text{ m/s} respectively. (π=3.142\pi = 3.142).