Why doesn't a vibrating pendulum produce sound?If it does then why don't we hear it?
Asked by | 24th Dec, 2012, 10:26: PM
A vibrating pendulum produces sound but we are not able to hear it because humans have a specific range of hearing that is 20Hz to 20000Hz, sound having a lower frequency than 20hz is not audible.
Answered by | 25th Dec, 2012, 09:37: PM
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