Asked by Shashank Shekhar | 18th Feb, 2014, 08:26: PM
All substances can vibrate with maximum amplitude when an external force of frequency equal to their fundamental frequency of vibration is applied.
When this force oscillates a substance (say a tuning fork) with its natural frequency, then the fork starts vibrating with maximum amplitude. This condition is called resonance and the frequency of vibration is called resonant frequency.
Answered by | 19th Feb, 2014, 10:52: AM
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