Optics Question 541
Question: A light beam is being reflected by using two mirrors, as in a periscope used in submarines. If one of the mirrors rotates by an angle q, the reflected light will deviate from its original path by the angle
[UPSEAT 2004]
Options:
A) $ 2\theta $
B) $ 0^{o} $
C) $ \theta $
D) $ 4\theta $
Show Answer
Answer:
Correct Answer: A
Solution:
When a mirror is rotated by an angle q, the reflected ray deviate from its original path by angle $ 2\theta $ .
