JEE Main 2021 — Electromagnetic Waves Question with Solution
JEE Main 2021 (26 Aug Shift 1)
Question
The electric field in a plane electromagnetic wave is given by
.
If this wave falls normally on a perfectly reflecting surface having an area of . If the radiation pressure exerted by the E.M. wave on the surface during a exposure is . Find the value of
.
If this wave falls normally on a perfectly reflecting surface having an area of . If the radiation pressure exerted by the E.M. wave on the surface during a exposure is . Find the value of
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Show full solutionCorrect answer: 354
Correct answer
354
Step-by-step explanation
Radiation pressure
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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.