Question

Young's double slit experment is first performed in air and
then in a medium other than air. It is found that 8ᵗʰ bright
fringe in the medium lies where 5ᵗʰ dark fringe lies in air.
The refractive index of the medium is nearly [2017]
(a) 1.59 (b) 1.69
(c) 1.78 (d) 1.25

Answer 1

Answer:

your question answer is (d) 1.25