Q84 / 90 · JEE Main 2022 (27 Jun Shift 2) · Physics

A particle executes simple harmonic motion. Its amplitude is 8 cm and time period is 6 s. The time it will take to travel from its position of maximum displacement to the point corresponding to half of its amplitude, is _____ s

Correct answer: 1

Solution

Given here, A=8 cm and T=6 s

The displacement equation in SHM, when amplitude is halved is Acos2πtT=A2

⇒2πtT=π3

Time taken by the particle is t= T6=66=1sec.

Hence, the correct answer is 1.

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