Transverse wave propagates in a medium with a velocity of $1450\,m/s$ . The distance between the nearest points at which the oscillations of the particles carried in the opposite phase $\pi $ is $0.1\,m$ . What is the frequency of the wave ..... $Hz$ ?
Medium
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$\mathrm{v}=1450$
for opposite phase
$\frac{\lambda}{2}=0.1 \Rightarrow \lambda=0.2$
So, $v=\frac{v}{\lambda}=\frac{1450}{0.2}=7250 \mathrm{\,Hz}$
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