Question

(a)
A light ray OA incident on one face of the glass slab and forms a 40° angle as shown in the given figure.
What will be the value of angle of emergence?
(b)
Will the value of angle of refraction be more or less than 40%
why?
(c) What is Snell's law of refraction?​

Answer 1

nothing to tell about it

Answer 2

Answer:

A .angle of emergence is also 40 because angle i =angle e

b angle of refraction is less tha 40% because when a light ray coming from air to denser there refractive index is change .

c the ratio of sine of angle of incidence to the sine of angle of refraction is constant for a given pair of median