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Day 67: MHT-CET Physics

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

  1. Question 1

    Gravitation. This type asked 4 times: 4 May 2023 S2, 9 May 2023 S2, 10 May 2023 S1, 13 Apr 2026 S2. This one: 13 Apr 2026 S2 See all 4 of this type

    109
    If earth has a mass nine times and radius twice to the planet P. Then ve3x ms−1\dfrac{v_e}{3}\sqrt{x}\ \mathrm{ms^{-1}} will be the minimum velocity required by a rocket to pull out of gravitational force of P, where vev_e is escape velocity on earth. The value of xx is

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  2. Question 2

    Wave Optics. This type asked 4 times: 9 May 2024 S1, 20 Apr 2025 S2, 23 Apr 2025 S1, 13 Apr 2026 S2. This one: 13 Apr 2026 S2 See all 4 of this type

    142
    'n' polarizing sheets are arranged such that each makes an angle 45∘45^\circ with the preceding sheet. An unpolarized light of intensity II is incident into this arrangement. The output intensity is found to be I/64I/64. The value of nn will be

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  3. Question 3

    Electrostatics. This type asked 4 times: May 2022 S1, 4 May 2023 S2, 9 May 2023 S2, 11 Apr 2026 S2. This one: 11 Apr 2026 S2 See all 4 of this type

    125
    If the radius of the spherical Gaussian surface is increased then the electric flux due to a point charge enclosed by the surface

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  4. Question 4

    Semiconductor Devices. This type asked 4 times: 11 May 2024 S2, 14 May 2024 S1, 19 Apr 2025 S1, 26 Apr 2025 S2. This one: 26 Apr 2025 S2 See all 4 of this type

    36
    For a transistor, αdc\alpha_{dc} and βdc\beta_{dc} are the current ratios, then the value of βdc−αdcαdc×βdc\frac{\beta_{dc}-\alpha_{dc}}{\alpha_{dc}\times\beta_{dc}}.

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  5. Question 5

    Oscillations. This type asked 4 times: 3 May 2023 S2, 10 May 2023 S1, 21 Apr 2025 S2, 26 Apr 2025 S1. This one: 26 Apr 2025 S1 See all 4 of this type

    34
    The ratio of the frequencies of two simple pendulums is 4:34:3 at the same place. The ratio of their respective lengths is

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