JEE Main 2021 — Electromagnetic Waves Question with Solution
From: JEE Main 2021 (Online) 27th August Evening Shift
Question
A plane electromagnetic wave with frequency of 30 MHz travels in free space. At particular point in space and time, electric field is 6 V/m. The magnetic field at this point will be x 108 T. The value of x is ___________.
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Show full solutionCorrect answer: 2
Correct answer
2
Step-by-step explanation
= 2 108 T
x = 2
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This is a previous-year question from JEE Main 2021, 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.