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JEE Main 20198 AprilMorning Shift

Exam: JEE Main
Year: 2019
Date: 8 April
Shift: Morning Shift
Subject: Physics
Chapter: Communication System

JEE Main 2019 · 8 April · Morning Shift · Physics · Communication System

The wavelength of the carrier waves in a modern optical fiber...

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

Options

A $2400nm$
B $900nm$
C $600nm$
D $1500nm$

Correct answer

D. $1500nm$

Step-by-step solution

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

1500nm

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