JEE Main 2018 — Wave Optics Question with Solution
From: JEE Main 2018 (Online) 15th April Morning Slot
Question
Light of wavelength falls normally on a slit of width The angular position of the second minima from the central maximum will (in radians) :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
Angular position of nth minima from central maxima,
sin =
here n = 2
sin = =
= rad.
sin =
here n = 2
sin = =
= rad.
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This is a previous-year question from JEE Main 2018, 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.