two plane mirrors are kept inclined at a particular angle and an object is placed between the two mirrors, the number of images formed by them is 5. The angle between the mirrors is
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When two plane mirrors are inclined to each other at an angle θ ,then number of images (n) formed of an object which is kept between them is given by
n=( θ360 −1)
Given n=11
⟹( θ360 −1)=11
⟹θ=30°
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