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A progressive wave travelling along the ...

A progressive wave travelling along the positive x-direction is represented by `y(x, t)=Asin (kx-omegat+phi)`. Its snapshot at `t = 0` is given in the figure.
For this wave, the phase is:

A

`y=-asin(kx-omegat)`

B

`y=-acos(kx+omegat)`

C

`y=asin(kx-omegat)`

D

`y=acos(kx-omegat)`

Text Solution

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The correct Answer is:
B
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