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A wave equation which given the dispplac...

A wave equation which given the dispplacement along the y-direction is given by ,
`y = 10^(-4)sin (60t +2x)`
where x and y are in matre and t is time in second. This represents a wave

A

travelling with a velocity of 30 m/s in the negative x direction

B

of wavelength `pi` metre

C

of frequency `30//pi` hertz

D

of amplitude `10^(-4)` metre travelling along the negative x direction

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A, B, C, D
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