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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)


As we learnt in 

Relation between phase velocity and wave speed -

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