A ray of light is incident normally on a plane mirror. If...
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 angles of reflection respectively
0o and 60o
90o and 30o
0o and 30o
90o and 60o
Correct answer is D
No explanation has been provided for this answer.
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