Question

what is refraction of light

Answer 1

Refraction of light is the phenomenon in which light passes from one median to another median and bends from their original position at the surface separating the two median. This phenomenon is called refraction of light.

HOPE ITS HELP

Answer 2

Change in the direction of the propagation of Ray of light,when it travels obliquely from one medium to other transparent medium is called the refraction of light.
In simple words , when the light rays propagates to surface then the light rays bends ,it is called refraction of light.
Above pic will give you the idea of it.
Hope it helps you!