JEE Main 2023PhysicsRay OpticsHardNumerical

JEE Main 2023Ray Optics Question with Solution

JEE Main 2023 (08 Apr Shift 1)

Question

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.

 

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Show full solutionCorrect answer: 18
Correct answer
18

Step-by-step explanation

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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About this question

This is a previous-year question from JEE Main 2023, covering the Ray Optics chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.