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

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

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

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

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

Text Solution

Verified by Experts

The correct Answer is:

`beta = (lambda D)/(d) = underset("VIBGYOR")rarr, lambda` increases
`lambda_(R) gt lambda_(G) gt lambda_(B)`
`rArr beta prop lambda`
So `beta_(R) gt beta_(G) gt beta_(B)`

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