The displacement \( y \) of a wave travelling in the \( x \) direction is given by \( y=10^{-4} .... VIDEO
The displacement \( y \) of a wave travelling in the \( x \) direction is given by \( y=10^{-4} \sin \left(600 t-2 x+\frac{\pi}{3}\right) \)
\( \mathrm{P} \)
metres where \( x \) is expressed in metres and \( t \) in seconds. The speed of the wave - motion, in \( \mathrm{ms}^{-1} \), is
(1) 300
(2) 600
(3) 1200
(4) 200
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