PYQ Vault

Day 440: MHT-CET Physics

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

  1. Question 1

    Optics (Ray). Asked once: May 2021 S1

    42
    An LED is placed at a depth hh below the water surface. An opaque disc is floating on the surface of water such that the bulb is not visible from the surface. The minimum radius of the disc will be

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  2. Question 2

    Rotational Dynamics. Asked once: May 2021 S1

    6
    The spheres of masses 2 kg and 4 kg are situated at the opposite ends of a wooden bar of length 9 m. Where does the center of mass of the system lie?

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  3. Question 3

    Electrostatics. Asked once: 2 May 2023 S2

    3
    The amount of work done in increasing the voltage across the plates of a capacitor from 5 V to 10 V is 'W'. The work done in increasing it from 10 V to 15 V will be (nearly)

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  4. Question 4

    Optics (Ray). Asked once: May 2021 S1

    43
    For the prism given below, two light rays are incident normally on the surface of the prism. The angle between emergent rays will be

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  5. Question 5

    Electrostatics. Asked once: 2 May 2023 S1

    43
    The electrostatic potential inside a charged spherical ball is given by V=ar2+bV = ar^2 + b where rr is the distance from its centre and aa and bb are constants. The volume charge density of the ball is [ϵ0=\epsilon_0 = permittivity of free space]

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