Engineering
Physics
Intereference New
Question

Young’s double slit experiment is carried out by using green, red and blue light, one color at a time. The fringe widths recorded are  βG,βR and βB, respectively. Then,

 βR>βG>βB

 βB>βG>βR

 βG>βB>βR

 βR>βB>βG

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Solution

V I B G Y O R (λ increases) 

β=λDd