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.

Which statement corrects an error on the site?

The normal is a line perpendicular to the surface of the mirror.

The normal is a line perpendicular to the incoming ray.

The angle of reflection is the angle between the incoming ray and the normal.

The angle of reflection is the angle between the reflected ray and the incoming ray.

Question

29 June, 02:14

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Answers (1)

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Krista · Answer 1

The normal is a line perpendicular to the surface of the mirror. Normal means perpendicular to a surface, not the surface plane itself.