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Question

Physics Question on wave interference

The phase difference between velocity and acceleration of simple harmonic oscillator.

A

π\pi

B

π2\frac{\pi}{2}

C

π4\frac{\pi}{4}

D

π3\frac{\pi}{3}

Answer

π2\frac{\pi}{2}

Explanation

Solution

Velocity of particle wh sHM, V=Aωcas(ωt)V=A \omega c a s(\omega t) Acceleration, a=−Aω2sin⁡(ωt)a=- A\omega^2 \sin (\omega t) hence phase difference between velacity and asceleration =π2=\frac{\pi}{2}