JEE Main 2018 — Electromagnetic Waves Question with Solution
JEE Main 2018 (15 Apr Shift 2 Online)
Question
A plane polarized monochromatic EM wave is travelling a vacuum along direction such that at it is found that the electric field is zero at a spatial point . The next zero that occurs in its neighbourhood is at . The frequency of the electromagnetic wave is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Using
Given, at
the next zero that occurs in it's neighborhood is at , the frequency of the electromagnetic wave at
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This is a previous-year question from JEE Main 2018, 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.