Optics Question 517
Question: A plane mirror reflecting a ray of incident light is rotated through an angle
[NCERT 1978; CPMT 1991]
Options:
A) The reflected ray does not rotate
B) The reflected ray rotates through an angle
C) The reflected ray rotates through an angle
D) The incident ray is fixed
Show Answer
Answer:
Correct Answer: C
Solution:
By keeping the incident ray is fixed, if plane mirror rotates through an angle q reflected ray rotates through an angle 2q.
