An electric tuning fork has the time period of 0.00004 s .find its frequancy . by giving a reason state whether you can hear the above sound ? ( please help me )
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frequency is 1/time period
so frequency=1/0.00004=100000/4=25000 Hz
as it's frequency is above 20000 Hz it cannot be heard.
sounds ranging between 20 to 20000 Hz only could be heard by humans.
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