. A plane mirror reflecting a ray is rotated through an angle
q about an axis through the point of incidence in the plane of the mirror perpendicular to the plane of incidence; then :
A. the reflected ray does not rotate
B. the reflected ray rotates through an angle q
C. . the reflected ray rotates through an angle 2q
D. the incident ray rotates through an angle q
Best Answer
Ans: C
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