Physics > 2005 > 31
WASSCE
A ray of light is incident normally on a plane mirror. If the incident ray is kept fixed while the mirror is rotated through an angle of 30°, determine the initial and final angle of reflection respectively.
A.
0° and 60°
B.
90° and 30°
C.
0° and 30°
D.
90° and 60°
Answer: D
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