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Day 426: MHT-CET Physics

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

  1. Question 1

    Mechanical Properties of Fluids. Asked once: 3 May 2023 S1

    41
    A metal ball of radius 9×10−4 m9\times10^{-4}\ \text{m} and density 104 kg/m310^4\ \text{kg/m}^3 falls through distance 'h' and enters a tank of water at terminal velocity. The value of h is [η=8.1×10−4 Pa s\eta=8.1\times10^{-4}\ \text{Pa s}, g=10 m/s2g=10\ \text{m/s}^2, ρw=103 kg/m3\rho_w=10^3\ \text{kg/m}^3]

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  2. Question 2

    Motion in a Plane. Asked once: 13 May 2024 S2

    26
    A stone is projected at angle 'θ\theta' with velocity 'uu'. If it executes nearly a circular motion at its maximum point for short time, the radius of the circular path will be (g=g= acceleration due to gravity)

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  3. Question 3

    Optics (Ray). Asked once: 16 May 2023 S2

    30
    A plane mirror is placed at the bottom of a tank containing a liquid of refractive index μ\mu. pp is a small object at a height hh above the mirror. An observer OO vertically above pp outside the liquid sees pp and the image in a mirror. The apparent distance between these two will be

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  4. Question 4

    Rotational Dynamics. Asked once: 10 May 2024 S2

    17
    The moment of inertia of a uniform square plate about an axis perpendicular to its plane and passing through the centre is Ma26\frac{Ma^2}{6}, where 'MM' is the mass and 'aa' is the side of square plate. Moment of inertia of this plate about an axis perpendicular to its plane and passing through one of its corners is

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  5. Question 5

    Current Electricity. Asked once: 2 May 2023 S2

    37
    In the following circuit, the current I3I_3 is

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