JEE Main 2023 — Wave Optics Question with Solution
From: JEE Main 2023 (Online) 31st January Evening Shift
Question
Two light waves of wavelengths 800 and are used in Young's double slit experiment to obtain interference fringes on a screen placed away from plane of slits. If the two slits are separated by , then shortest distance from the central bright maximum to the point where the bright fringes of the two wavelength coincide will be ______ .
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Show full solutionCorrect answer: 48
Correct answer
48
Step-by-step explanation
and
and
So
So at distance both bright fringes will be found.
and
So
So at distance both bright fringes will be found.
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This is a previous-year question from JEE Main 2023, 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.