JEE Main 2024PhysicsElectromagnetic WavesEasyMCQ

JEE Main 2024Electromagnetic Waves Question with Solution

JEE Main 2024 (01 Feb Shift 2)

Question

If frequency of electromagnetic wave is 60 MHz and it travels in air along z direction then the corresponding electric and magnetic field vectors will be mutually perpendicular to each other and the wavelength of the wave in m is :

Choose an option

Show full solutionCorrect option: C
Correct answer
C5

Step-by-step explanation

As speed of electromagnetic wave is given by, c=fλ. Therefore, 

λ=cf=3×10860×106=5 m.

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About this question

This is a previous-year question from JEE Main 2024, 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.