Question

Define the following terms for a plane mirror? (a) Incident ray (b) Reflected ray (c) Normal (d) Angle of reflection (e) Angle of incident

Answer 1

Incident ray.--- the ray which strikes the surface of mirror.
reflected ray -- the ray which reflects back after reflection from the mirror
normal ---- perpendicular to the mirror is called normal that makes an angle of 90° with normal.
angle of reflection--- angle between the reflected ray and normal.
angle of incidence--- angle between the incident ray and normal.

Answer 2

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