If an object is placed in front of two mirrors inclined at 90o, how many images will be formed?
A
five
B
four
C
three
D
two
Verified Correct Answer: C.
Physical Principles & Numerical Solution
n = \(\frac{360}{\theta}\) - 1
= \(\frac{360}{90}\) - 1
= 3 images
Source: Myschool Past Questions Archive (Record #28454)