Question

If light travels a distance of 5 m in a medium of
refractive index u, then equivalent path in vacuum it
would travel in same time is
5
(1)
ům
m
(2) (54) m
u
(3) (25) m
(4)
u
25
m​

Answer 1

Answer:

ksoddoidfmsodbd dodidjd dkdjd