JEE Main 2023 — Electromagnetic Waves Question with Solution
From: JEE Main 2023 (Online) 25th January Morning Shift
Question
An electromagnetic wave is transporting energy in the negative direction. At a certain point and certain time the direction of electric field of the wave is along positive direction. What will be the direction of the magnetic field of the wave at that point and instant?
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation
Given energy transport negative direction
Electric field positive direction
Hence according to vector cross product magnetic field should be positive direction.
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This is a previous-year question from JEE Main 2023, 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.