How many images are formed when two mirrirs are placed at an angle of 72∘?
How many images of an object will be formed when the object is placed between two plane mirrors which are inclined at the following angles to one another?
(a) 120∘ (b) 45∘ (c) 180∘ (d) 60∘ (e) 90∘
How many images are formed if the plane mirrors are kept at an angle of 90∘?