In refractive index of glass slab if angle of incidence to normal is 20 then the angle of reflection and angle of emergence is 30 is it the right answer???
1 Answer
Feb 26, 2018
No it is not the right answer. Angle in = Angle out
Explanation:
You said "if angle of incidence to normal".
So Angle in = 90 deg
Then
Angle out = 90 deg