The stationary wave produced on a string is represented by the equation $y = 5\cos (\pi x/3)\sin 40\pi \,t$. Where $x$ and $y$ are in cm and $t$ is in seconds. The distance between consecutive nodes is .... $cm$
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(c) On comparing the given equation with standard equation
$ \Rightarrow \frac{{2\pi }}{\lambda } = \frac{\pi }{3} \Rightarrow \lambda = 6\,cm$.
Hence, distance between two consecutive nodes $\lambda = 3\, cm$
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