JEE Main 2019PhysicsCommunication SystemEasyMCQ

JEE Main 2019Communication System Question with Solution

JEE Main 2019 (08 Apr Shift 1)

Question

The wavelength of the carrier waves in a modern optical fiber communication network is close to:

Choose an option

Show full solutionCorrect option: D
Correct answer
D1500 nm

Step-by-step explanation

For minimum attenuation, the wavelength of carrier waves is close to 1500 nm

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About this question

This is a previous-year question from JEE Main 2019, covering the Communication System 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.