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Equation of a wave is given by y = 10^(4...

Equation of a wave is given by `y = 10^(4) sin(60t + 2x)` , x & y in metre and t is in second. Then

A

Wave is propagating along the negative x direction with velocity 30 m/s

B

Wavelength is `pi` metre

C

frequency is `30//pi` Hz.

D

Wave is propagating along positive x direction with velocity 60 m/s

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