contestada

What portion of the electromagnetic spectrum is used in optical fiber communication?
a. X-rays
b. Infrared radiation
c. Microwaves
d. Ultraviolet radiation

Respuesta :

Either infrared is used in optical fiber communication. Fiber optic communication. Visible light and infrared light used for optical communication. 
What portion of the electromagnetic spectrum is used in optical fiber communication?a.X-raysc.Microwavesb.Infrared radiationd.Ultraviolet radiation