When two mirrors are placed at an angle of 900 ... - JAMB Physics 2017 Question
When two mirrors are placed at an angle of 900 to each other, how many images will be formed when an object is placed in front of the mirrors
A
5
B
4
C
3
D
2
correct option: c
When two mirror are inclined at an angle θ, the number of images formed, n = \(\frac{360}{\theta}\) − 1
∴ since \(\theta\) = 90o
∴ \(\frac{360}{\theta}\) − 1
= 4 − 1
= 3
∴ since \(\theta\) = 90o
∴ \(\frac{360}{\theta}\) − 1
= 4 − 1
= 3
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