The angle of incidence of a light wave is
A) different depending on whether there is diffuse or specular reflection.
B) measured from a normal to the surface.
C) equal to the angle of refraction.
D) measured relative to the surface of the material.

Question

Quizplus · Accepted Answer

The angle of incidence is defined as the angle between the incident ray and the normal (an imaginary line perpendicular to the surface at the point of incidence), not relative to the surface itself or dependent on the type of reflection or equal to the angle of refraction.

The Angle of Incidence of a Light Wave Is