Question

. A sound waves travels at a speed of 375 ms^-1. If its wavelength is 2.5 m. What
is the frequency of the wave?​

Answer 1

Verified answer ✔️

Given :

$velocity \: of \: sound \: wave \: = 375 \: ms {}^{ - 1}$

$wavelength \: of \: the \: waves \: \gamma \: = 2.5m$

Formula :

$frequncy \: of \: wave \: \: v = \frac{v}{ \gamma }$

Substituting :

$\frac{375}{2.5} = 150khz$

Audible frequency range for human ear lies between 20 Hz to 20 kHz

Thus this waves is not audible.

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