Question #b0bdc

Question

1962 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-04-03T06:40:55

The frequency is $=136Hz$ and the period is $=7.35ms$

The speed of sound is related to the wavelength ang the frequency by

$v=f*lambda$

Speed is $v=340ms^-1$

Wavelength is $lambda=2.5m$

Frequency is $f=v/lambda=340/2.5=136Hz$

The period is

$T=1/f=1/136=0.00735s=7.35ms$