PYQ Vault

Day 122: MHT-CET Physics

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

  1. Question 1

    Electrostatics. Asked 2 times: 25 Apr 2025 S1, 20 Apr 2026 S1 See all 2 times it was asked

    126
    Two point charges q1q_1 and q2q_2 are 'll' distance apart. If one of the charges is doubled and the distance between them is halved. The magnitude of the force becomes 'n' times, where 'n' is

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  2. Question 2

    Magnetic Fields Due to Electric Current. Asked 2 times: 23 Apr 2025 S1, 20 Apr 2026 S1 See all 2 times it was asked

    132
    A square loop ABCD of side L carrying a current I1I_1 is placed at a distance (L/3)(L/3) from a conductor coplaner with a straight conductor XY carrying current I2I_2 as shown in figure. The net force on the loop will be (μ0\mu_0 = magnetic permeability)

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  3. Question 3

    Magnetic Fields Due to Electric Current. Asked 2 times: 9 May 2023 S2*, 20 Apr 2026 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    133
    A long solenoid carrying a current produces a magnetic field 'BB' along its axis. If the current is tripled and the number of turns per cm is halved then new value of magnetic field will be

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  4. Question 4

    Rotational Dynamics. Asked 2 times: 21 Apr 2025 S2, 20 Apr 2026 S1 See all 2 times it was asked

    107
    A body is rotating about its own axis. Its rotational kinetic energy is 'xx' and its angular momentum is 'yy'. Hence its moment of inertia about its own axis is

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  5. Question 5

    Superposition of Waves. Asked 2 times: 20 Apr 2025 S1, 20 Apr 2026 S1 See all 2 times it was asked

    120
    A wire of length 'LL', diameter 'dd', density of material 'ρ\rho' is under tension 'TT' has fundamental frequency of vibration 'nAn_A'. Another wire of length '2L2L', diameter '3d3d', density of material '2ρ2\rho' is vibrated under tension '2T2T', the fundamental frequency of vibration becomes 'nBn_B'. The ratio nB:nAn_B : n_A is

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