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

In case of a forced vibration, the resonance wave becomes very sharp when the:
  1. quality factor is small
  2. dampening force is small
  3. restoring force is small
  4. applied periodic force is small

Solution

Resonance describes the phenomenon of increased amplitude that occurs when the frequency of a periodically applied force is equal or close to a natural frequency of the system on which it acts.

At resonance, the damping force becomes small enough so that the resulting oscillations have large amplitude.

Asked in: AP EAMCET 2021 (20 Aug Shift 2)

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