PYQ Vault

Day 114: MHT-CET Physics

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

  1. Question 1

    Mechanical Properties of Fluids. Asked 2 times: May 2022 S1*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    112
    What is the radius of the biggest aluminium coin of thickness tt and density ρ\rho, which will be able to float on the water surface of surface tension TT? (gg = acceleration due to gravity)

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  2. Question 2

    Optics (Ray). Asked 2 times: 4 May 2023 S2*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    140
    How much water should be filled in a container of height 2121 cm, so that it appears half filled to the observer when viewed from the top of the container? (μ=4/3)(\mu = 4/3)

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  3. Question 3

    Rotational Dynamics. Asked 2 times: 13 Apr 2026 S1*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    108
    The difference between angular speed of minute hand and second hand of a clock is (in rad/s)

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  4. Question 4

    Superposition of Waves. Asked 2 times: 19 Apr 2025 S1*, 13 May 2026 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    121
    A spring of mass 0.20.2 kg/m has length l=0.6l = 0.6 m. It is fixed at both ends and stretched such that is has a tension 8080 N. The string vibrates in three segments with amplitude 0.50.5 cm. The amplitude of transverse (particle) velocity is

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  5. Question 5

    Dual Nature of Radiation and Matter. Asked 2 times: 20 Apr 2025 S1*, 13 May 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    144
    A parallel beam of light is incident normally on a plane surface absorbing 40%40\% of light and reflecting the rest. If the incident beam carries 6060 W of power the force exerted by it on the surface is (C = velocity of light = 3×1083 \times 10^8 m/s )

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