What do you mean by resonance? When does a resonance occur? – InterviewSolution

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1.	What do you mean by resonance? When does a resonance occur?
Answer» Resonance is a special case of forced vibration, when a body vibrates under the influence of an external periodic force, with a very large amplitude. Resonance occurs when the frequency of external force is either equal to or is integer multiple of the natural frequency of the vibrating body.

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