NEET Physics Simple Harmonic Motion Assertion Reason Question
Assertion (A): A simple pendulum exhibits simple harmonic motion only for small angular displacements.
Reason (R): For large angular displacements, the restoring force is not linearly proportional to displacement.
Both A and R are true and R is the correct explanation of A.
Both A and R are true but R is not the correct explanation of A.
A is true but R is false.
A is false.
Correct Answer
Detailed Explanation
The restoring force in a simple pendulum is proportional to the sine of the angle of displacement, which approximates to linearity only for small angles, making the motion simple harmonic.
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