Q144
In optical communication, wavelength 1550 nm is used now a days. What is/are the possible reason(s)? 1. Dispersion is very low 2. Loss is very low 3. WDM and optical amplification are feasible Select the correct answer from the options given below:
A.
1, 2 and 3
AnswerB.
2 only
C.
1 only
D.
1 and 3 only
Answer: Option A
Solution
Answer: Option A
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