PYQ Vault

Day 142: MHT-CET Physics

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

  1. Question 1

    Magnetic Fields Due to Electric Current. Asked 2 times: 26 Apr 2025 S2, 15 Apr 2026 S1 See all 2 times it was asked

    133
    Lorentz magnetic force is acting on a particle of charge qq moving with velocity V⃗\vec{V} in magnetic field B⃗\vec{B}. The work done by this force on the charged particle is

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  2. Question 2

    Optics (Ray). Asked 2 times: 11 May 2024 S2, 15 Apr 2026 S1 See all 2 times it was asked

    140
    An equiconvex lens of focal length F is cut in to two equal parts along the vertical axis. The focal length of each part will be

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  3. Question 3

    Oscillations. Asked 2 times: 12 May 2024 S2*, 15 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    119
    A particle starts from mean position and performs S.H.M. with period 66 second. At what time its kinetic energy is 50%50\% of total energy? (cos⁡45∘=1/2)(\cos 45^\circ = 1/\sqrt{2})

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  4. Question 4

    Rotational Dynamics. Asked 2 times: 16 May 2023 S1, 15 Apr 2026 S1 See all 2 times it was asked

    106
    The power (P) is supplied to rotating body having moment of inertia 'I' and angular acceleration 'α\alpha'. Its instantaneous angular velocity is

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  5. Question 5

    Structure of Atoms and Nuclei. Asked 2 times: 12 May 2024 S2, 15 Apr 2026 S1 See all 2 times it was asked

    147
    Two different radioactive elements with half lives T1T_1 and T2T_2 have undecayed atoms N1N_1 and N2N_2 respectively, present at a given instant. The ratio of their activities at this instant is

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