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 5 of 9

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Discuss
Answer: (d).N (r) = n1 [1 โ€“ 2ฮ”(r²/a)²]½; r<a
Q42.
Intermodal dispersion in multimode fibers is minimized with the use of step-index fibers.
Discuss
Answer: (b).False
Q43.
Estimate RMS pulse broadening per km due to intermodal dispersion for multimode step index fiber where length of fiber is 4 km and pulse broadening per km is 80.6 ns.
Discuss
Answer: (b).20.15 ns/km
Q44.
Practical pulse broadening value for graded index fiber lies in the range of __________
Discuss
Answer: (b).0.2 to 1 ns/km
Q45.
The modal noise occurs when uncorrected source frequency is?
Discuss
Answer: (a).ฮดf>>1/ฮดT
Q46.
Disturbance along the fiber such as vibrations, discontinuities, connectors, splices, source/detectors coupling result in __________
Discuss
Answer: (a).Modal noise
Discuss
Answer: (d).Using fiber with large numerical aperture
Q48.
Digital transmission is more likely to be affected by modal noise.
Discuss
Answer: (b).False
Q49.
A multimode step index fiber has source of RMS spectral width of 60 nm and dispersion parameter for fiber is 150 psnmโป¹kmโป¹. Estimate rms pulse broadening due to material dispersion.
Discuss
Answer: (c).9.0 nskmโป¹
Q50.
A multimode fiber has RMS pulse broadening per km of 12 ns/km and 28 ns/km due to material dispersion and intermodal dispersion resp. Find the total RMS pulse broadening.
Discuss
Answer: (a).30.46 ns/km
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