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In the Young's double slit experiment, i...

In the Young's double slit experiment, if the phase difference between the two waves interfering at a point is `phi`, the intensity at that point can be expressed by the expression

A

`I = sqrt(A^(2)+B^(2)cos^(2)phi)`

B

`I=(A)/(B) cos phi`

C

`I=A+B cos .(phi)/(2)`

D

`I=A+B cos phi`

Text Solution

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The correct Answer is:
D
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