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Yong's double-slit experiment is carried...

Yong's double-slit experiment is carried out by using green, red and blue light, one color at a time. The fringe widths recorded are `beta_(G),beta_(R)` and `beta_(B)`, respectively. Then

A

`beta_(G) gt beta_(B) gt beta_(R)`

B

`beta_(B) gt beta_(G) gt beta_(R)`

C

`beta_(R) gt beta_(B) gt beta_(G)`

D

`beta_(R) gt beta_(G) gt beta_(B)`

Text Solution

Verified by Experts

The correct Answer is:
D
`beta=(lambdaD)/(d)`
`vec(VIBGYOR) lambda` increase
`lambda_(R) gtlambda_(G)gtlambda_(B)`
So `beta_(R) gt beta_(G) gt beta_(B)`
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