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In case of a forced vibration, the reson...

In case of a forced vibration, the resonance wave becomes very sharp when the

A

Damping force is small

B

Restoring force is small

C

Applied periodic force is small

D

Quality factor is small

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The correct Answer is:
A
In forced vibration, the resonance wave becomes very sharp when damping force is small (i.e., negligible )
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Assertion : Resonance is special case of force vibration in which the nature frequency of vebration of the body is the same as the impressed frequency of external periodic force and the amplitude of force vibration is maximum Reason: The amplitude of forced vibrations of a bodyincrease with an increase in the frequency of the externally impressed perioic force

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