Question

define the term refraction and write its terms

Answer 1

Deviation in the path of light when it transfer from one medium to another is called refraction.
Laws:-
1-the incident ray, normal ray and refracted ray lie on same plane
2-The ratio of sin of angle of incidence to angle of refraction is constant.

Answer 2

The change in the direction of the path of a light ray when it passes from one transparent medium to another is called refraction.
It's terms are:
1.Incident ray,normal and reflected ray lie on same plane.
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