Explore topic-wise MCQs in Optical Communications Questions and Answers.

This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Optical Communications Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.

1.	When the input and output power in an optical fiber is 120μW & 3μW respectively and the length of the fiber is 8 km. What is the signal attenuation per km for the fiber?
A.	3dB/km
B.	2dB/km
C.	1dB/km
D.	4dB/km
Answer» C. 1dB/km

Discussion

2.	The high index contrast enables the PCF core to be reduced from around 8 μmin conventional fiber to ___________
A.	Less than 1μm
B.	More than 5μm
C.	More than 3μm
D.	More than 2μm
Answer» B. More than 5μm

Discussion

Explore topic-wise MCQs in Optical Communications Questions and Answers.

When the input and output power in an optical fiber is 120μW & 3μW respectively and the length of the fiber is 8 km. What is the signal attenuation per km for the fiber?

The high index contrast enables the PCF core to be reduced from around 8 μmin conventional fiber to ___________