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For constructive interference between tw...

For constructive interference between two waves of equal wavelength, the phase angle `delta` should be such that

A

`"cos"^(2) (delta)/(2)=-1`

B

`"cos"^(2)(delta)/(2) = 0`

C

`"cos"^(2)(delta)/(2) = 1`

D

`"cos"^(2) (delta)/(2)` = infinite

Text Solution

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The correct Answer is:
C
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