Optical Communication MCQ Questions & Answers

Home

Competitive Exams

Aptitude English Verbal Reasoning Non Verbal Reasoning General Knowledge(GK) General Science(GS) Data Interpretation(DI) Banking Awareness Current Affairs

Computer & Programming

Computer Fundamentals Networking SQL Database C Programming C++ Programming Java Python

Other Subjects

Commerce Management Law Political Science Psychology Agriculture

Exam Categories

SSC Exams Railway Exams All Exams

SSC Exams

SSC CGL SSC CHSL SSC MTS SSC CPO SSC GD SSC JHT SSC Selection Post SSC Stenographer SSC JE

Railway Exams

RRB ALP RRB Technician RRB Section Controller RRB JE RRB Paramedical RRB Group D

Popular Exams

SSC CGL SSC CHSL SSC MTS RRB NTPC (Graduate) RRB Group D RRB ALP RRB Technician RRB Section Controller

Engineering Subjects

Computer Science Electronics & Communication Mechanical Engineering Civil Engineering Electrical Engineering

More Engineering

Chemical Engineering Automobile Engineering Biotechnology Mining Engineering Geological Engineering

Engineering Core

Engineering Mathematics Engineering Physics Engineering Chemistry Metallurgical Engineering

Computer Fundamentals

Computer Fundamentals Networking Database SQL MySQL

Programming

C Programming C++ Programming Java Python PHP JavaScript

Advanced

Artificial Intelligence Machine Learning Data Science Cloud Computing Hadoop IoT

Graduation & PG

Commerce Management Law Mass Communication Political Science Psychology

Resources

Current Affairs Interview Blog

Learn Optical Communication MCQ questions & answers are available for a Electronics and Communications Engineering(ECE) students to clear GATE exams, various technical interview, competitive examination, and another entrance exam. Optical Communication MCQ question is the important chapter for a Electronics and Communications Engineering(ECE) and GATE students. Page-5 section-2

Each section contains 100 MCQs on Optical Communication .

What is/are the advantage(s) of step-index monomode fibre optical cable?
1. Manufacturing process is simple
2. Bandwidth of several GHz-km is possible
3. Splicing is easier
Select the correct answer using the options given below:

A) 1 only B) 2 only C) 3 only D) 1, 2 and 3

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

In an optical fiber, the light beam propagates due to which one of the following?

A) Simple reflection of light at a boundary between two media B) Refraction of light in the medium C) Total internal reflection at the boundary of the fiber D) Scattering of light in the medium

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

Which band specifies the operation range of Erbium doped fiber amplifier (EDFA)?

A) by O band B) By C band C) By S band D) By Ku band

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

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 B) 2 only C) 1 only D) 1 and 3 only

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Attenuation of a narrow monochromatic X-ray beam in a metal plate of thickness d is given by:

A) $$I = {I_0}{e^{ - \mu d}}$$ B) $$I = {I_0}{e^{ - \mu {d^2}}}$$ C) $$I = {i_0}{e^{ - \frac{\mu }{d}}}$$ D) $$I = {i_0}{e^{ - \frac{{{\mu ^2}}}{{{d^2}}}}}$$

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

Which one of the following instruction is useful while measuring the optical power as a function of wavelength?

A) Optical power attenuator B) Optical power analyzer C) Optical spectrum analyzer D) Optical return loss tester

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

A change in the refractive index of a material in response to an applied electric field is called . . . . . . . . effect.

A) Pockets B) Faraday C) Kerr D) Raman E) Voigt

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

In increasing order of spectral width of three optical sources are

A) Gas laser, semiconductor laser, LED B) Semiconductor laser, gas laser, LED C) LED, gas laser, semiconductor laser D) LED, semiconductor laser, gas laser

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

What is the numerical aperture of an optical fiber when its critical angle is 30°

A) 0.5 B) 0.704 C) 0.866 D) 0.2

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

In a step index fibre the refractive index of core n₁ = 1.48 and that of cladding n₂ = 1.45. The numerical aperture of the fiber will be nearly:

A) 0.3 B) 0.5 C) 0.7 D) 0.9

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

1 2 3 4 5 6 7 8 9 10

Optical Communication MCQ Questions & Answers | ECE