Question

Angle of incidence = ___​

Answer 1

Answer:

Angle of Reflection.

Hope it helps!

Answer 2

Answer:

optics

Explanation:

, in geometry optics , the angle of incident is the angle between the ray incident on the surface and the line perpendicular to the surface at the point of the incidence called the normal .... the angle of the incidence at which light is first totally internally reflect is known as crictal angle..