Question

8. When a ray of light is incident along the normal drawn at the point of incidence on the
interface of two transparent media, the angle of incidence is
(a) 90°
(b) 0
(c)180
(d)45​

Answer 1

Answer:

If incident ray is normal to interface then

i=0 as the angle is measured with respect to the normal.

i− angle of incidence