PYQ Vault

Day 162: MHT-CET Physics

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

  1. Question 1

    Wave Optics. Asked 2 times: 9 May 2023 S1*, 14 May 2024 S2 (* = numbers or wording changed that year) See all 2 times it was asked

    41
    Two wavelengths of sodium light 590 nm and 596 nm are used one after another to study diffraction due to single slit of aperture 2×10−6 m2 \times 10^{-6}\,\text{m}. Distance from slit to screen is 1.5 m. The separation between the positions of first maximum of the diffraction pattern in the two cases is

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  2. Question 2

    Gravitation. Asked 2 times: 4 May 2023 S1, 14 May 2024 S1 See all 2 times it was asked

    31
    Considering earth to be a sphere of radius 'RR' having uniform density 'ρ\rho', then value of acceleration due to gravity 'gg' in terms of R,ρR,\rho and G is

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  3. Question 3

    Kinetic Theory of Gases. Asked 2 times: 9 May 2023 S1*, 14 May 2024 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    3
    The temperature of a gas is −68∘C-68^\circ\text{C}. To what temperature should it be heated, so that the r.m.s. velocity of the molecules be doubled?

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  4. Question 4

    Mechanical Properties of Fluids. Asked 2 times: 16 May 2023 S2, 14 May 2024 S1 See all 2 times it was asked

    6
    The potential energy of a molecule on the surface of a liquid compared to the molecules inside the liquid is

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  5. Question 5

    Optics (Ray). Asked 2 times: 2 May 2023 S1*, 14 May 2024 S1 (* = numbers or wording changed that year) See all 2 times it was asked

    1
    A combination of two thin lenses in contact have power +10 D. The power reduces to +6 D when the lenses are 0.25 m apart. The power of individual lens is

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