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Day 24: MHT-CET Physics

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

  1. Question 1

    Electrostatics. This type asked 6 times: 3 May 2023 S1, 11 May 2024 S1, 13 Apr 2026 S2, 18 Apr 2026 S2, 20 Apr 2026 S2, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    126
    Two point charges placed at a certain distance rr in air exert force FF on each other. Then the distance r1r_1 at which these charges will exert the same force in a medium of dielectric constant KK is

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  2. Question 2

    Mechanical Properties of Fluids. This type asked 6 times: 2 May 2023 S2, 15 May 2023 S2, 10 May 2024 S2, 25 Apr 2025 S1, 11 Apr 2026 S1, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    111
    The velocity of a small ball of mass MM and density dd when dropped in a container filled with glycerine becomes constant after some time. If density of glycerine is d2\dfrac{d}{2} then the viscous force acting on the ball will be (gg=acceleration due to gravity)

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  3. Question 3

    Rotational Dynamics. This type asked 6 times: 15 May 2023 S2, 19 Apr 2025 S2, 26 Apr 2025 S2, 13 Apr 2026 S1, 20 Apr 2026 S1, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    107
    A circular ring and a solid sphere having same radius roll down on an inclined plane from rest without slipping. The ratio of their velocities when reached at the bottom of the plane x5\sqrt{\dfrac{x}{5}} where the value of xx is

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  4. Question 4

    Structure of Atoms and Nuclei. This type asked 6 times: 3 May 2023 S1, 15 May 2023 S2, 22 Apr 2025 S1, 22 Apr 2025 S2, 12 May 2026 S1, 15 May 2026 S2. This one: 15 May 2026 S2 See all 6 of this type

    147
    A radioactive nucleus ZAX{}_Z^AX undergoes spontaneous decay in the sequence ZAX→Z−1B→Z−3C→Z−2D{}_Z^AX \rightarrow {}_{Z-1}B \rightarrow {}_{Z-3}C \rightarrow {}_{Z-2}D where ZZ is the atomic number of element. The possible decay particles in the sequence are

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  5. Question 5

    Electrostatics. This type asked 6 times: 4 May 2023 S2, 10 May 2023 S2, 15 May 2023 S2, 13 May 2024 S2, 20 Apr 2026 S2, 15 May 2026 S1. This one: 15 May 2026 S1 See all 6 of this type

    126
    A charge 10 μC10\ \mu C exists at the centre of a square. The work done in moving a 2 μC2\ \mu C point charge from corner A to corner B of a square ABCD is

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