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Two coherent sources of intensity ratio ...

Two coherent sources of intensity ratio `beta` interfere. Then the value of `(I_(max)-I_(min))/(I_(max)+I_(min))` is

A

`(1+beta)/sqrtbeta`

B

`sqrt((1+beta)/beta)`

C

`(1+beta)/(2sqrtbeta)`

D

`(2sqrtbeta)/(1+beta)`

Text Solution

Verified by Experts

`A_1/A_2=sqrtbeta and I_(max)=(A_1+A_2)^2 and I_(min)=(A_1-A_2)^2`
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