Two plane mirrors are inclined at an angle of 40degree. Find the number of images of a point object kept symmetrically between two mirrors.
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Explanation:
The formula for the number of images formed by two mirrors placed an angle of n deg between them is (360/n)-1. When two mirrors are placed at an angle of 40 deg, the number of images formed = (360/40) - 1= 9–1 = 8.
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