JEE Main 2012 — Electromagnetic Waves Question with Solution
JEE Main 2012 (19 May Online)
Question
An electromagnetic wave with frequency and wavelength travels in the direction. Its magnetic field is along -axis. The vector equation for the associated electric field (of amplitude ) is
Choose an option
Show full solutionCorrect option: C
Correct answer
C
Step-by-step explanation
In an electromagnetic wave electric field and magnetic field are perpendicular to the direction of propagation of wave. The vector equation for the electric field is
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Electromagnetic Waves chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2012, 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.