This set of Optical Communication Multiple Choice Questions & Answers (MCQs) focuses on “Optical Detection Principles”.

1. The depletion region must be ____________ to allow a large fraction of the incident light to be absorbed in the device(photodiode).
a) Thick
b) Thin
c) Long
d) Inactive

2. The process of excitation of an electron from valence band to conduction band leaves an empty hole in the valence band and is called as ____________
a) Detection
b) Absorption
c) Degeneration of an electron-hole pair
d) Regeneration of an electron-hole pair

3. P-n photodiode is forward biased.
a) True
b) False

4. __________________ always leads to the generation of a hole and an electron.
a) Repulsion
b) Dispersion
c) Absorption
d) Attenuation

5. Electric field in the depletion region should be high.
a) True
b) False

6. How many types of optical detectors are available?
a) One
b) Four
c) Two
d) Three

7. The electron hole pairs generated in a photodiode are separated by the ____________
a) Magnetic field
b) Electric field
c) Static field
d) Depletion region

8. The photocurrent of an optical detector should be __________
a) Less
b) More
c) Linear
d) Non-linear

Simran

Share
Published by
Simran

Recent Posts

Abacus Dream Meaning – Top 5 Dreams About Abacus

Have you ever had a dream about an abacus? In a dream, seeing an abacus…

2 months ago

Abalone Dream Meaning

Have you ever had a dream about abalone? It denotes a period of change in…

2 months ago

Abandonment Dream Meaning

Have you ever had a dream about being abandoned? It's time to let go of…

2 months ago

Advice Dream Meaning – Top 5 Dreams About Advice

Did you have any dreams about giving advice? They have to do with action plans…

2 months ago

Avalanche Dream Meaning – Top 8 Dreams About Avalanche

Have you ever had a dream involving an avalanche? In your dream, an avalanche represents…

2 months ago

Acrobat Dream Meaning – Top 8 Dreams About Acrobat

Have you ever fantasised about acrobats or about becoming one? It indicates that you need…

2 months ago