Harry is reading an online summary of the law of reflection. The site states that after light hits a mirror, the angle of reflection is the angle between the reflected ray and the normal, which is the surface of the mirror.
Answer
A
The normal is a line perpendicular to the surface of the mirror.
B
The normal is a line perpendicular to the incoming ray.
C
The angle of reflection is the angle between the incoming ray and the normal.
D
The angle of reflection is the angle between the reflected ray and the incoming ray.