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The path difference between two interfer...

The path difference between two interfering waves at a point on the screen is `lambda // 6`, The ratio of intensity at this point and that at the central bright fringe will be (assume that intensity due to each slit is same)

A

`0.75`

B

`7.5`

C

`85.3`

D

`853`

Text Solution

Verified by Experts

The correct Answer is:
C

`I = I_(0) cos^(2) ((theta)/(2)), theta = (2 pi)/(lambda) x`
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