The bending of lights path from one medium to another medium is called refraction due to this we see pencil bent when immersed in water
Dharmateja
12 Years ago
Refraction is nothing but the change in direction of a wave due to a change in its transmission medium.so these is called refraction.
suhel
12 Years ago
Refraction: The change in speed of wave as the ray of light goes one metirial to another causes the ray deviated the incident direction. "The change of direction is called refraction"