JEE Main 2020 — Electromagnetic Waves Question with Solution
From: JEE Main 2020 (Online) 5th September Morning Slot
Question
An electron is constrained to move along
the y-axis with a speed of 0.1 c (c is the
speed of light) in the presence of
electromagnetic wave, whose electric
field is
V/m.
The maximum magnetic force experienced by the electron will be :
(given c = 3 108 ms–1 and electron charge = 1.6 10–19 C)
V/m.
The maximum magnetic force experienced by the electron will be :
(given c = 3 108 ms–1 and electron charge = 1.6 10–19 C)
Choose an option
Show full solutionCorrect option: A
Correct answer
A4.8 10–19 N
Step-by-step explanation
V = = 3 108 = C
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This is a previous-year question from JEE Main 2020, 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.