JEE Main 2023 — Wave Optics Question with Solution
From: JEE Main 2023 (Online) 29th January Morning Shift
Question
In a Young's double slit experiment, two slits are illuminated with a light of wavelength . The line joining is perpendicular to as shown in the figure. If the first minimum is detected at , the value of slits separation 'a' will be:

The distance of screen from slits D = 5 cm
This question includes a diagram. The text above accompanies the figure.
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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.