A ray of light is incident normally on a plan mirror. If the incident ray is kept fixed while the mirror is rotated through an angle of 30°, determine the initial and final angles of reflection respectively

A. 0° and 60°
B. 90° and 30°
C. 0° and 30°
D. 90° and 60°

Correct Answer: Option D

D. 90° and 60°

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