Question

as the angle between two plane mirror is decrease gradually,what will happen to the no. of images of the object placed between them
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Answer 1

let α = 90° , β = 45°, θ = 30°

let's find number of images

n = 360/90 - 1 = 4 - 1 = 3

n = 360/45 - 1 = 8 - 1 = 7

n = 360/30 - 1 = 12 - 1 = 11

it is verified that decrease in angle between two mirror will result more number of images formation.