Two vertical parallel mirrors A and B are separated by 10 cm. A point object O is placed at a distance of 2 cm from mirror A. The distance of the second nearest image behind mirror A from the mirror A is ________cm.
Text Solution
Verified by ExpertsThe correct answer is:
CHECK THE SOLUTION.
(18)
As can be seen from the image above, object distance is 8 cm [For image by B]
In a plane mirror the image distance is equal to the object distance. Thus, the required distance is
8 + 8 + 2 cm = 18 cm
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