JEE Main 2012 — Electromagnetic Waves Question with Solution
JEE Main 2012 (26 May Online)
Question
A radio transmitter transmits at . At a certain distance from the transmitter magnetic field has amplitude . The electric field and the wavelength are respectively
Choose an option
Show full solutionCorrect option: D
Correct answer
D
Step-by-step explanation
Frequency of EM wave .
Magnetic field,
As we know, frequency,
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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.