# White light is incident on the interface of glass and air as shown in figure. If green ligth is just totally internally reflected then the emerging ra

85 views
in Physics
closed
White light is incident on the interface of glass and air as shown in figure. If green ligth is just totally internally reflected then the emerging ray in air contains

A. yellow, orange, red
B. violet, indigo, blue
C. all colours
D. all colours except green

by (84.0k points)
selected

underset("V I B G Y O R")rarrmu decreases
sinC=1/mu
As mu increases, C decreases.
If green ligth is just totally reflected, violet, indigo, blue will be totally reflected because critical angles for them would be smaller than critical angle for green.