The equation of a wave is represented by $y = {10^{ - 4}}\sin \,\left[ {100\,t - \frac{x}{{10}}} \right].$ The velocity of the wave will be .... $m/s$
AIPMT 2001, Easy
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(d) $v = \frac{\omega }{k} = \frac{{100}}{{1/10}} = 1000\,m/s$
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