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Equation for two waves is given as y(1)=...

Equation for two waves is given as `y_(1)=asin(omegat+phi_(1)), y_(2)=asin(omegat+phi_(2))`.
If ampitude and time period of resultant wave does not change, then calculate `(phi_(1)-phi_(2))`.

A

`pi/3`

B

`(2pi)/3`

C

`pi/6`

D

`pi/4`

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The correct Answer is:
B
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