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 $



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