Observed frequency of sound produced by \(A = 660\frac{{(330 - 30)}}{{330}} = 600\,Hz\)
\(\therefore \) No. of beats \(= 600 -596 = 4\)
$y=\left(10 \cos \pi x \sin \frac{2 \pi t }{ T }\right) cm$
$x=\frac{4}{3} cm$ આગળ રહેલા કણનો કંપવિસ્તાર.....$cm$ હશે