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Day 431: MHT-CET Physics

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

  1. Question 1

    Optics (Ray). Asked once: 11 May 2023 S2

    4
    Critical angle of light passing from glass to air is minimum for wavelength of

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  2. Question 2

    Rotational Dynamics. Asked once: 16 May 2023 S2

    2
    The linear speed of a particle at the equator of the earth due to its spin motion is VV. The linear speed of the particle at latitude 30∘30^\circ is (sin⁡30∘=cos⁡60∘=1/2\sin 30^\circ = \cos 60^\circ = 1/2, cos⁡30∘=sin⁡60∘=3/2\cos 30^\circ = \sin 60^\circ = \sqrt{3}/2)

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  3. Question 3

    Current Electricity. Asked once: May 2021 S1

    16
    Figure below shows a balanced Wheatstone's network. If it is disturbed by changing PP to 22 Ω22\ \Omega, then which of the following steps will bring the bridge again in balanced state?

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  4. Question 4

    Electrostatics. Asked once: 9 May 2024 S2

    13
    A parallel combination of two capacitors of capacities 2C2C and CC is connected across 5 V battery. When they are fully charged, E1−E2Q1−Q2\frac{E_1 - E_2}{Q_1 - Q_2} J/C is (capacity in Farad, charge in Coulomb, energy in J)

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  5. Question 5

    Motion in a Plane. Asked once: 3 May 2023 S2

    5
    A wheel of radius 1 m rolls through 180∘180^{\circ} over a plane surface. The magnitude of the displacement of the point of the wheel initially in contact with the surface is.

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