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Day 287: MHT-CET Physics

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

  1. Question 1

    Dual Nature of Radiation and Matter. Asked once: 11 May 2024 S2 (same type asked 5 times) See all 5 of this type

    4
    A metal surface of work function 1.13 eV is irradiated with light of wavelength 310 nm. The retarding potential required to stop the escape of photoelectrons is. Take hce=1240×10−9\frac{hc}{e} = 1240 \times 10^{-9} SI units

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  2. Question 2

    Rotational Dynamics. Asked once: May 2021 S1 (same type asked 5 times) See all 5 of this type

    25
    A particle of mass 5 kg moves in a circle of radius 20 cm. Its linear speed at a time tt is given by v=4tv = 4t, tt is in second and vv is in m/s. Find the net force acting on the particle at t=0.5 st = 0.5\ \text{s}.

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  3. Question 3

    Current Electricity. Asked once: 11 May 2024 S1 (same type asked 5 times) See all 5 of this type

    20
    Potential difference between the points P and Q is nearly

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  4. Question 4

    Oscillations. Asked once: 11 Apr 2026 S2 (same type asked 4 times) See all 4 of this type

    119
    A mass 0.40.4 kg performs S.H.M. with a frequency 16π\dfrac{16}{\pi} Hz. At a certain displacement it has kinetic energy 22 J and potential energy 1.21.2 J. The amplitude of oscillation is

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  5. Question 5

    Laws of Motion. Asked once: 10 May 2024 S1 (same type asked 4 times) See all 4 of this type

    49
    If a lighter body of mass 'M1M_1' and velocity 'V1V_1' and a heavy body (mass M2M_2 and velocity V2V_2) have the same kinetic energy then

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