Question

What is refraction of light? Mention any two phenomena in nature where refraction
of light takes place? What is the angle of refraction when the angle of incidence is 0°?​

Answer 1

Answer:

(1) Twinkling of stars.

(2) Advanced sunrise and delayed sunset is due to atmospheric refraction.

Answer 2

Explanation:

The light rays changes it direction when going from one transparent medium to another transparent medium it is called refraction of light.

1) twinkling of stars