JEE Main 2024 — Ray Optics Question with Solution
JEE Main 2024 (27 Jan Shift 1)
Question
Two immiscible liquids of refractive indices and respectively are put in a beaker as shown in the figure. The height of each column is . A coin is placed at the bottom of the beaker. For near normal vision, the apparent depth of the coin is . The value of is _______.

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Show full solutionCorrect answer: 31
Step-by-step explanation

The formula to calculate the apparent height of the coin when seen through the combination of liquids can be written as
From equation (1), it follows that
Hence, .
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This is a previous-year question from JEE Main 2024, 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.