The amplitude of forced vibrations is generally ________ than the amplitude of applied external force.

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Less

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Equal to

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None of these

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Solution

The correct option is B
Less

Forced vibrations:
The vibrations produced by a body under the external force of some other frequency rather than its own natural frequency are called forced vibrations.
The amplitude of forced vibration is generally less than vibrations of external force.
Final answer: Hence, Option (B) Less is correct.

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