JEE Main 2022PhysicsWave OpticsHuygens Principle And Interference Of LightmediumNumerical

JEE Main 2022Wave Optics Question with Solution

From: JEE Main 2022 (Online) 27th June Morning Shift

Question

In Young's double slit experiment the two slits are 0.6 mm distance apart. Interference pattern is observed on a screen at a distance 80 cm from the slits. The first dark fringe is observed on the screen directly opposite to one of the slits. The wavelength of light will be ____________ nm.

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Show full solutionCorrect answer: 450
Correct answer
450

Step-by-step explanation

,

= 450 nm

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About this question

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.