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Audible range of frequencies to which hu...

Audible range of frequencies to which human car responds varies between 20 to 20,000 Hz.Express the range in terms of (i)wavelength in air and (ii)time period .
The speed of sound in air is `350 ms^(-1)`.

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The correct Answer is:
(i)`1.75xx10^(-2)` m to 17.5 m , (ii)`5xx10^(-5)` s to `5xx10^(-2)` s
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