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A wave, y( (x, t))=0.03 sin pi(2t-0.01x)...

A wave, `y_( `(x, t)`)=0.03 sin pi(2t-0.01x)` tavels in a medium. Here, `x` is in metre. The instantaneous phase differenc ( in rad) between the two point separated by `25cm` is

A

`(pi)/(8)`

B

`(pi)/(4)`

C

`(pi)/(2)`

D

`pi`

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The correct Answer is:
B
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