Question

Q43) What is angle of incidence ?​

Answer 1

Answer:

In geometric optics, the angle of incidence is the angle between a ray incident on a surface and the line perpendicular to the surface at the point of incidence, called the normal. ... The angle of reflection and angle of refraction are other angles related to beams.

Answer 2

Answer:

here is your answer

Explanation:

Angle of incidence is the angle between incident ray and the normal.