For what displacement the P.E becomes 1/4 of its maximum value?
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The energy of SHM is maximum at?

The frequency of the second pendulum is?

A simple pendulum suspended form the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is?

The SI unit of force constant is identical with that of?

The displacement of SHM is written as X = X? sin?t if displacement is written by X = X? son ?t then phase constant will be equal to?

When the amplitude of a wave become double its energy become?

Simple harmonic motion is a type of?

The product of frequency and time period is equal to?