Question on: JAMB Physics - 2017
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
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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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