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In Young's double slit experiment, if th...

In Young's double slit experiment, if the widths of the slits are in the ratio `4:9`, the ratio of the intensity at maxima to the intensity at minima will be

A

`169:25`

B

`81:16`

C

`25:1`

D

`9:4`

Text Solution

Verified by Experts

The correct Answer is:
C
`(I_(t) )/(I_(2)) =(W _(1))/(W_(2))=(4)/(9),(I_(max))/(I_(min))=(sqrt(I_(1))+sqrt(I_(2))/(sqrt(I_(1))-sqrt(I_(2))))^(2)=25`
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