The equation of wave is given by $Y=10^{-2} \sin 2 \pi\left(160 t-0.5 x+\frac{\pi}{4}\right)$ Where $x$ and $Y$ are in $m$ and $t$ in $s$. The speed of the wave is $.....\,km h ^{-1}$
JEE MAIN 2023, Easy
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$V =\frac{\omega}{ k }=\frac{2 \pi \times 60}{2 \pi \times 0.5}=\frac{160}{0.5}\,m / s$
$=\frac{160}{0.5} \times \frac{18}{5}\,km / h$
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