MCQ
A wave is represented by the equation $y = 7\sin \{ \pi (2t - 2x)\} $ where $x$ is in metres and $t$ in seconds. The velocity of the wave is ..... $m/s$
  • $1$
  • B
    $2$
  • C
    $5$
  • D
    $10$

Answer

Correct option: A.
$1$
a
$v = \frac{\omega }{k} = \frac{{2\pi }}{{2\pi }} = 1\,\,m/s$

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