Two plane mirrors are kept parallel at 20 c m from each other. A point object O is placed exactly in between them. Calculate distance between second images formed by two mirrors.

Question

Two plane mirrors are kept parallel at 20 c m from each other. A point object O is placed exactly in between them. Calculate distance between second images formed by two mirrors., 80 c m, 60 c m, 40 c m, 10 c m

MARKS App · Accepted Answer

From the diagram it is clear that Distance between I 2 & I 2 ′ = ( 30 + 20 + 30 ) c m = 80 c m

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