Question

what is meant by retraction of light​

Answer 1

$Answer$

Definition of Refraction. When a light ray is incident on the surface separating two media, the direction of the ray changes. This phenomenon is known as the refraction of light. The speed of light is maximum in the vacuum. In any medium, light travels with less speed.

Answer 2

Explanation:

Refraction is the bending of light (it also happens with sound, water and other waves) as it passes from one transparent substance into another. This bending by refraction makes it possible for us to have lenses, magnifying glasses, prisms and rainbows.