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A mass of 5 kg is connected to a spring. The potential energy curve of the simple harmonic motion executed by the system is shown in the figure. A…

JEE Main 2021 — Physics Waves & Oscillations

2021mcqhard

A mass of 5kg5\mathrm{kg}5kg is connected to a spring. The potential energy curve of the simple harmonic motion executed by the system is shown in the figure. A simple pendulum of length 4m4m4m has the same period of oscillation as the spring system. What is the value of acceleration due to gravity on the planet where these experiments are performed ?

JEE Main 2021 Physics, Oscillations — question figure

Official previous-year question

Held on 1 Sept 2021 · Verified 6 Jul 2026.

Options

  1. A

    4ms−24m{s}^{-2}4ms−2

  2. B

    8ms−28m{s}^{-2}8ms−2

  3. C

    5ms−25m{s}^{-2}5ms−2

  4. D

    10ms−210m{s}^{-2}10ms−2

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