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

Options

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 b\eta_(G) gt beta_(B)`

Answer

d

Explanation

Fringe with `beta = (lambda D)/(d)` Hence, `beta prop lambda`.
As we know `lambda_(R) gt lambda_(G) gt lambda_(B)`
Hence, `beta_(R) gt beta_(G) gt beta_(B)`