Optics Question 537
Question: Two plane mirrors are inclined at an angle of $ 72^{0} $ . The number of images of a point object placed between them will be
[KCET (Engg. & Med.)1999; BCECE 2003]
Options:
A) 2
B) 3
C) 4
D) 5
Show Answer
Answer:
Correct Answer: C
Solution:
$ n=( \frac{360}{\theta }-1 )\Rightarrow n=( \frac{360}{72}-1 )=4 $
