The time period of a second pendulum is______________?

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

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When the amplitude of a wave becomes double its energy become_________________?

A. Double B. Four times C. One half D. None time...

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

A. Infinite B. T/g C. Zero D. g/T...

When K.E energy of SHM is maximum its__________________?

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In damped harmonic oscillation which one decreases ?

A. Amplitude of vibration B. Energy of vibration C. Both amplitude and energy D. Neither amplitude nor energy...