JEE Main 2020 — Electromagnetic Waves Question with Solution
From: JEE Main 2020 (Online) 3rd September Evening Slot
Question
The electric field of a plane electromagnetic wave propagating along the x direction in vacuum is
.
The magnetic field , at the moment t = 0 is :
.
The magnetic field , at the moment t = 0 is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
We know,
You can see direction of is along z axis.
at t = 0
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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.