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JEE Main 2023 (13 Apr, Shift 1) · Energy in SHM

Energy in SHM question from JEE Main 2023 (13 Apr, Shift 1)

Q42JEE Main 2023 · 13 APR · SHIFT 1Easy

Energy in SHM

Which graph represents the difference between total energy and potential energy of a particle executing SHM vs its distance from mean position?

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Answer: (a)

$E - PE = KE = \frac{1}{2}k(A^2 - x^2)$
This is a downward parabola: maximum at $x = 0$ , zero at $x = \pm A$ , rounded (not pointed) at the top.
So the answer is (a).

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