JEE Main 2020 — Electromagnetic Waves Question with Solution
From: JEE Main 2020 (Online) 4th September Evening Slot
Question
The electric field of a plane electromagnetic wave is given by
Its magnetic field will be given by :
Its magnetic field will be given by :
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Given,
We know, direction of propagation,
Here direction of propagation =
=
and
=
We know, direction of propagation,
Here direction of propagation =
=
and
=
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This is a previous-year question from JEE Main 2020, covering the Electromagnetic Waves 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.