JEE Main 2020 — Wave Optics Question with Solution
From: JEE Main 2020 (Online) 7th January Morning Slot
Question
Visible light of wavelength 6000 10-8 cm falls normally on a single slit and produces a diffraction pattern. It is found that the second diffraction minimum is at 60o from the central maximum. If the first minimum is produced at 1, then 1, is close to :
Choose an option
Show full solutionCorrect option: C
Correct answer
C25o
Step-by-step explanation
For 2nd minima
For 1st minima
=
25o
For 1st minima
=
25o
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This is a previous-year question from JEE Main 2020, 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.