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Day 26: MHT-CET Physics

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

  1. Question 1

    Mechanical Properties of Fluids. This type asked 6 times: 4 May 2023 S2, 9 May 2024 S2, 12 May 2024 S1, 22 Apr 2025 S1, 12 May 2026 S1, 14 May 2026 S2. This one: 14 May 2026 S2 See all 6 of this type

    109
    A frame made up of metallic wire enclosing a surface area A is covered with a soap film. If the area of the frame of metallic wire is reduced by 25% the energy of the soap film will be changed by

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  2. Question 2

    Structure of Atoms and Nuclei. This type asked 6 times: 9 May 2023 S2, 11 May 2023 S2, 10 May 2024 S2, 11 May 2024 S1, 25 Apr 2025 S2, 14 May 2026 S2. This one: 14 May 2026 S2 See all 6 of this type

    147
    In hydrogen atom, an electron jumps from higher orbit to lower orbit so that radius of the lower orbit is (14)th\left(\dfrac{1}{4}\right)^{th} of radius of higher orbit. If speed of electron in higher orbit was V, then speed in lower orbit is

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  3. Question 3

    Superposition of Waves. This type asked 6 times: 10 May 2024 S2, 11 May 2024 S1, 12 May 2024 S2, 13 Apr 2026 S2, 16 Apr 2026 S1, 14 May 2026 S2. This one: 14 May 2026 S2 See all 6 of this type

    121
    The equation of a plane progressive wave is Y=0.025sin⁡(100t+0.25x)Y = 0.025\sin(100t + 0.25x). The frequency of this wave would be

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  4. Question 4

    Electromagnetic Induction. This type asked 6 times: 2 May 2023 S1, 3 May 2023 S2, 9 May 2023 S1, 15 May 2023 S2, 13 May 2024 S2, 14 May 2026 S1. This one: 14 May 2026 S1 See all 6 of this type

    134
    A conductor of length 11 m rotates vertically about one of its ends at angular velocity 55 rad/s. If the horizontal component of earth's magnetic field is 0.2×10−40.2 \times 10^{-4} T, then the e.m.f. developed between the ends of the conductor is

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  5. Question 5

    Mechanical Properties of Fluids. This type asked 6 times: 3 May 2023 S2, 11 May 2023 S2, 12 May 2024 S2, 20 Apr 2025 S2, 13 May 2026 S1, 14 May 2026 S1. This one: 14 May 2026 S1 See all 6 of this type

    110
    Two spherical rain drops reach the surface of the earth with terminal velocities having ratio 16:916 : 9. The ratio of their surface area is

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