A light ray is incident normally on a plane mirror.(a) What is its angle of incidence?(b) What is the direction of reflected ray? Show it on a diagram.
Reflection of Light Class 9 ICSE
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Answer
(a) When the ray of light is incident normally on a plane mirror the angle of incidence = 0°.
(b) The direction of reflected ray is same as the incident ray i.e., it retraces the path as shown below.