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A wave equation which gives the displace...

A wave equation which gives the displacement along y -direction is given by `y=0.001 sin (100t +x)` where x and y are in meterand t is time in second. This represented a wave

A

Of frequency `(100)/(pi) Hz`

B

Of wavelength one metre

C

Travelling with a velocity of`(50)/(pi) ms^(-1)` in the positive X -direction

D

Travelling with a velocity of `100 ms^(-1)` in the negative X -direction

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The correct Answer is:
D
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