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