When two mirrors are placed at an angle of 90º ...
When two mirrors are placed at an angle of 90º to each other, how many images will be formed when an object is placed in front of the mirrors
5
4
3
2
Correct answer is C
When two mirror are inclined at an angle θ, the number of images formed, n = 360θ − 1
∴ since θ = 90o
∴ 360θ − 1
= 4 − 1
= 3