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Day 94: MHT-CET Physics

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

  1. Question 1

    Mechanical Properties of Fluids. This type asked 3 times: 10 May 2023 S1, 10 May 2023 S2, 15 May 2026 S1. This one: 15 May 2026 S1 See all 3 of this type

    109
    If terminal speed of a sphere of gold (density = 19.5 kg/m319.5\ \mathrm{kg/m^3}) is 0.20.2 m/s in viscous liquid (density = 1.5 kg/m31.5\ \mathrm{kg/m^3}), find the terminal speed of a sphere of silver (density = 10.5 kg/m310.5\ \mathrm{kg/m^3}) of the same size in the same liquid.

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  2. Question 2

    Oscillations. This type asked 3 times: 14 May 2024 S1, 20 Apr 2025 S1, 15 May 2026 S1. This one: 15 May 2026 S1 See all 3 of this type

    119
    The period of S.H.M. of a particle is 1212s. The phase difference between the positions at t=3t = 3s and t=4t = 4s will be

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  3. Question 3

    Structure of Atoms and Nuclei. This type asked 3 times: 12 May 2024 S2, 15 Apr 2026 S1, 15 May 2026 S1. This one: 15 May 2026 S1 See all 3 of this type

    147
    A radioactive sample S1S_1 having activity A1A_1 has twice the number of nuclei as another sample of S2S_2 of activity A2A_2. If A2=2A1A_2 = 2A_1 then the ratio of half life of S1S_1 to the half life of S2S_2 is

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  4. Question 4

    Electromagnetic Induction. This type asked 3 times: 25 Apr 2025 S1, 20 Apr 2026 S2, 14 May 2026 S2. This one: 14 May 2026 S2 See all 3 of this type

    135
    A square of side L metre lies in the XY plane in a region, where the magnetic field is B⃗=B0(2i^+3j^+4k^)\vec{B} = B_0(2\hat{i} + 3\hat{j} + 4\hat{k}), where B0B_0 constant. The magnitude of flux passing through the square is

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  5. Question 5

    Optics (Ray). This type asked 3 times: 4 May 2023 S1, 13 May 2024 S2, 14 May 2026 S2. This one: 14 May 2026 S2 See all 3 of this type

    140
    An equilateral prism deviates a ray through 45∘45^\circ for the two angles of incidence differing by 20∘20^\circ. One of the angle of incidence is

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