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why does a vibrating simple pendulum not produce  any sound?

Asked by Vighna Pothuri(sharada mandir) , on 16/8/11


@ Rahul, Right answer. Good effort, keep up this good effort!
@ Vighna, Rahul has given the right reason.
Good day!!

Posted by on 18/8/11

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It  produces a sound but we are unable to hear it O....................O

Posted by Rahul Malik(Holy Family Convent School, Gohana) on 16/8/11

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