JEE Main 2017 — Electromagnetic Waves Question with Solution
From: JEE Main 2017 (Online) 9th April Morning Slot
Question
The electric field component of a monochromatic radiation is given by
= 2 E0 cos kz cos t
Its magnetic field is then given by :
= 2 E0 cos kz cos t
Its magnetic field is then given by :
Choose an option
Show full solutionCorrect option: C
Correct answer
C sin kz sin t
Step-by-step explanation
We have
Therefore,
That is,
Now,
Therefore, its magnetic field is given by
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This is a previous-year question from JEE Main 2017, 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.