The equation $y = 0.15\sin 5x\cos 300t$, describes a stationary wave. The wavelength of the stationary wave is .... $m$
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(b) On comparing the given equation with standard equation

$\frac{{2\pi }}{\lambda } = 5$ 

$\lambda = \frac{{6.28}}{5} = 1.256\,m$

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