The wavelength of the carrier waves in a modern optical fiber communication network is close to :
(1) $2400 \mathrm{~nm}$
(2) $1500 \mathrm{~nm}$
(3) $600 \mathrm{~nm}$
(4) $900 \mathrm{~nm}$
Correct Option: , 2
(2) Carrier waves of wavelength $1500 \mathrm{~nm}$ is used in moderr optical fiber communication.
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