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Day 281: MHT-CET Physics

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

  1. Question 1

    Rotational Dynamics. Asked once: 20 Apr 2025 S2 (same type asked 6 times) See all 6 of this type

    29
    A solid sphere rolling without friction on a horizontal surface with a constant speed of 2 m/s2\,m/s, rolls up on an inclined ramp which is inclined at 30∘30^{\circ}. The maximum distance travelled by the sphere on the inclined ramp is (acceleration due to gravity g=10 m/s2,sin⁡30∘=12g = 10\,m/s^{2}, \sin 30^{\circ} = \frac{1}{2})

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  2. Question 2

    Structure of Atoms and Nuclei. Asked once: 15 Apr 2026 S2 (same type asked 6 times) See all 6 of this type

    147
    In the hydrogen atom, radii of the first four Bohr orbits are related as

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  3. Question 3

    Magnetic Fields Due to Electric Current. Asked once: 10 May 2024 S2 (same type asked 5 times) See all 5 of this type

    21
    Two wires 2 mm apart supply current to a 100 V, 1 kW heater. The force per metre between the wires is (μ0=4π×10−7\mu_0=4\pi\times10^{-7} SI unit)

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  4. Question 4

    Electrostatics. Asked once: 19 Apr 2025 S2 (same type asked 5 times) See all 5 of this type

    37
    Two parallel plate air capacitors of same capacity ' C ' are connected in parallel to a battery of e.m.f. ' E '. Then one of the capacitors is completely filled with dielectric material of constant ' K '. The change in the effective capacity of the parallel combination is

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  5. Question 5

    Semiconductor Devices. Asked once: 4 May 2023 S2 (same type asked 5 times) See all 5 of this type

    29
    In the circuit diagram shown in figure, the current through the zener diode is

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