Rankers Physics
Topic: Oscillation

The phase difference between the instantaneous velocity and acceleration of a particle executing simple harmonic motion is: (2007)
$\pi$
$0.707\pi$
$\text{Zero}$
$0.5\pi$

Solution:

In SHM, velocity leads displacement by a phase of $\pi/2$, and acceleration leads velocity by a phase of $\pi/2$ (or $0.5\pi$). Thus, the phase difference between velocity and acceleration is $0.5\pi$.

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