The wave function of a pulse is given by $y=\frac{5}{(4 x+6 t)^2}$, where $x$ and $y$ are in metre and $t$ is in second. The velocity of pulse is ......... $m / s$
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(c)
$k=\frac{\omega}{V} \quad V=\frac{\omega}{k}=\frac{6}{4}=\frac{3}{2}=1.5\,m$
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