Answers

2016-02-04T22:45:19+05:30
Speed = frequency * wavelength

Speed = 330 m/s wavelength = 1.5 cm = 0.015 m
Frequency = speed/wavelength
v = 330/ 0.015 = 22000 Hz = 22 kHz
As the audible range of the ear is from 20 Hz to 20 kHz and the frequency is 22 kHz.
Therefore it would not be audible to humans.
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