JEE PYQ: Communication System Question 21
Question 21 - 2019 (08 Apr 2019 Shift 1)
The wavelength of the carrier waves in a modern optical fiber communication network is close to:
(1) 2400 nm
(2) 1500 nm
(3) 600 nm
(4) 900 nm
Show Answer
Answer: (2)
Solution
Carrier waves of wavelength 1500 nm are used in modern optical fiber communication.