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The phase difference between the two wav...

The phase difference between the two waves reaching an arbitary point P from `S_1` and `S_2` is given by

A

`/_\phi=(yd)/D(lambda/(2pi))`

B

`/_\phi=(yd)/D((2pi)/lambda)`

C

`/_\phi=D/(yd)(lambda/(2pi))`

D

`/_\phi=D/(yd)((2pi)/lambda)`

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