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The displacement y (in cm) produced by a simple harmonic wave is given by $y= \frac{10}{\pi}\sin(2000 \pi t- \frac{\pi x}{17})$ the periodic time and maximum velocity of the particles in the medium will respectively be

Option 1)
$10^{-3}$ sec and 330 m/s

Option 2)
$10^{-4}$ sec and 20 m/s

Option 3)
$10^{-3}$ sec and 200 m/s

Option 4)
$10^{-2}$ sec and 2000 cm/s.

Answers (1)

best_answer

As we learnt in

Relation between phase velocity and wave speed -

$V_{P}= -V\: \frac{dy}{dx}$