Q. 4

A person can hear sound waves in the frequency range 20 Hz to 20 kHz. Find the minimum and the maximum wavelengths of sound that is audible to the person. The speed of sound is 360 m s-1.

Answer :

Given:


Speed of sound v= 360 m/sec


We know that;



(a) Therefore, for minimum wavelength, the frequency


We know that:






(b) For maximum wavelength, the frequency


We know that:





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