Refracted ray

Definition

The refracted ray is the bent path taken by light as it passes from one medium to another with different optical densities. It occurs due to a change in speed and direction.

Related terms

Angle of refraction:

The angle between the refracted ray and the normal line.

Snell's law: A formula that relates angles and speeds for light passing from one medium to another.

Index of refraction: A measure of how much a material slows down light compared to vacuum or air.