Optics Question 538
Question: To get three images of a single object, one should have two plane mirrors at an angle of
[AIEEE 2003]
Options:
A) $ 30{}^\circ $
B) $ 60{}^\circ $
C) $ 90{}^\circ $
D) $ 150{}^\circ $
Show Answer
Answer:
Correct Answer: C
Solution:
$ n=( \frac{360}{\theta }-1 ) $
$ \Rightarrow 3=( \frac{360}{\theta }-1 )\Rightarrow \theta =90{}^\circ $
