JEE Main 2022 — Wave Optics Question with Solution
From: JEE Main 2022 (Online) 26th July Morning Shift
Question
In Young's double slit experiment, the fringe width is . If the entire arrangement is placed in water of refractive index , then the fringe width becomes (in mm):
Choose an option
Show full solutionCorrect option: B
Correct answer
B9
Step-by-step explanation
m = 9 mm
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This is a previous-year question from JEE Main 2022, covering the Wave 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.