Transmission Characteristics of Optical Fibers MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Transmission Characteristics of Optical Fibers, a fundamental topic in the field of Optical Communication. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Transmission Characteristics of Optical Fibers MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Transmission Characteristics of Optical Fibers mcq questions that explore various aspects of Transmission Characteristics of Optical Fibers problems. Each MCQ is crafted to challenge your understanding of Transmission Characteristics of Optical Fibers principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Optical Communication tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Transmission Characteristics of Optical Fibers MCQs are your pathway to success in mastering this essential Optical Communication topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Transmission Characteristics of Optical Fibers. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Transmission Characteristics of Optical Fibers knowledge to the test? Let's get started with our carefully curated MCQs!

Transmission Characteristics of Optical Fibers MCQs | Page 7 of 9

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Q61.
Non-zero-dispersion-shifted fiber was introduced in the year 2000.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q62.
For many applications that involve optical fiber transmission, an intensity modulation optical source is not required.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
Q63.
The optical source used for detection of optical signal is ____________

a.

IR sensors

b.

Photodiodes

c.

Zener diodes

d.

Transistors

Discuss
Answer: (b).Photodiodes
Q64.
An optical fiber behaves as a birefringence medium due to differences in ___________

a.

Effective R-I and core geometry

b.

Core-cladding symmetry

c.

Transmission/propagation time of waves

d.

Refractive indices of glass and silica

Discuss
Answer: (a).Effective R-I and core geometry
Q65.
The beat length in a single mode optical fiber is 8 cm when light from a laser with a peak wavelength 0.6 μm is launched into it. Estimate the modal birefringence.

a.

1×10⁻⁵

b.

3.5×10⁻⁵

c.

2×10⁻⁵

d.

4×10⁻⁵

Discuss
Answer: (a).1×10⁻⁵
Q66.
Beat length of a single mode optical fiber is 0.6 cm. Calculate the difference between propagation constants for the orthogonal modes.

a.

69.8

b.

99.86

c.

73.2

d.

104.66

Discuss
Answer: (d).104.66
Q67.
A polarization maintaining fiber operates at a wavelength 1.2 μm and have a modal birefringence of 1.8*10⁻³. Calculate the period of perturbation.

a.

0.7 seconds

b.

0.6 seconds

c.

0.23 seconds

d.

0.5 seconds

Discuss
Answer: (b).0.6 seconds
Q68.
When two components are equally excited at the fiber input, then for polarization maintaining fibers δΓg should be around ___________

a.

1.5 ns/km

b.

1 ns/km

c.

1.2 ns/km

d.

2 ns/km

Discuss
Answer: (b).1 ns/km
Q69.
Polarization modal noise can _________ the performance of communication system.

a.

Degrade

b.

Improve

c.

Reduce

d.

Attenuate

Discuss
Answer: (a).Degrade
Q70.
The nonlinear effects in optical fibers are large.

a.

True

b.

False

c.

May be True or False

d.

Can't say

Discuss
Answer: (b).False
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