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Day 433: MHT-CET Physics

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

  1. Question 1

    Rotational Dynamics. Asked once: 16 May 2023 S1

    19
    A particle starting from rest moves along the circumference of a circle of radius 'r' with angular acceleration 'α\alpha'. The magnitude of the average velocity in time it completes the small angular displacement 'θ\theta' is

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  2. Question 2

    Electrostatics. Asked once: 15 May 2023 S2

    11
    In the circuit shown in the following figure, the potential difference across 3 μF3\,\mu\text{F} capacitor is

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  3. Question 3

    Motion in a Plane. Asked once: 2 May 2023 S1

    35
    A particle is performing uniform circular motion along the circumference of the circle of diameter 1 m with frequency 4 Hz. The acceleration of the particle in m/s2^2 is

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  4. Question 4

    Optics (Ray). Asked once: 9 May 2023 S1

    28
    Velocity of light in diamond is 512\frac{5}{12}th times that in air. Velocity of light in water is 34\frac{3}{4}th times that in air. The angle of incidence of ray of light travelling from water to diamond is (angle of refraction r=30∘r = 30^\circ) [sin⁡30∘=12][\sin 30^\circ = \frac{1}{2}]

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  5. Question 5

    Rotational Dynamics. Asked once: 15 May 2023 S1

    33
    If the angular velocity of a body rotating about the given axis increases by 20%, then its kinetic energy of rotation will increase by

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