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.

In a GaAs LED, compute the loss relative to internally generated optical power in the fiber when there is small air gap between LED and fiber core. (Fiber coupled = 5.5 * 10-4Pint)

A. 34 dB
B. 32.59 dB
C. 42 dB
D. 33.1 dB
Answer» C. 42 dB
2.

The excess density of electrons Δnand holes Δpin an LED is ____________

A. Equal
B. Δpmore than Δn
C. Δn more than Δp
D. Does not affects the LED
Answer» B. Δpmore than Δn