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Day 176: MHT-CET Physics

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

  1. Question 1

    Oscillations. This type asked 2 times: 20 Apr 2026 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 2 of this type

    119
    Two simple harmonic motions are represented as y1=10sin⁡ωty_1 = 10\sin\omega t and y2=5sin⁡ωt+5cos⁡ωty_2 = 5\sin\omega t + 5\cos\omega t, both in cm. The ratio of the amplitudes of y2y_2 (A2)(A_2) to that of y1y_1 (A1)(A_1), is

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  2. Question 2

    Oscillations. This type asked 2 times: 15 May 2023 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 2 of this type

    120
    The differential equation of a particle performing S.H.M. is d2xdt2+64x=0\dfrac{d^2x}{dt^2} + 64x = 0, where xx is in meter. The period of oscillation of the particle is (in second)

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  3. Question 3

    Semiconductor Devices. This type asked 2 times: 10 May 2024 S2, 19 May 2026 S1. This one: 19 May 2026 S1 See all 2 of this type

    149
    If two inputs of a NOR gate are shorted, the resulting gate is

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  4. Question 4

    Thermodynamics. This type asked 2 times: 13 May 2026 S1, 19 May 2026 S1. This one: 19 May 2026 S1 See all 2 of this type

    116
    When the temperature of 4 moles of a gas was increased from 70∘C70^\circ\mathrm{C} to 90∘C90^\circ\mathrm{C}, at constant volume, the change in internal energy was 6060 J. The total heat capacity of the gas at constant volume is

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  5. Question 5

    Electrostatics. This type asked 2 times: 20 Apr 2025 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 2 of this type

    125
    Two concentric spheres kept in air have radii RR and rr. They have similar charge and equal surface charge density σ\sigma. The electric potential at their common centre is (ϵ0\epsilon_0 = permittivity of free space)

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