Question: what is the relationship between the angle between two mirrors and the image formed?
Answer: The number of images formed by two adjacent plane mirrors depends on the angle between the mirror. If (in degrees) is angle between the plane mirrors then number of images are given by, n = 360 θ − 1. ( ( 360/x ) - 1 ) . The number of images formed is equal to ( 360 / 90 ) - 1 = 4 – 1 = 3.