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Optical Communication MCQ Questions & Answers | ECE

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-3 section-1

Each section contains 100 MCQs on Optical Communication .
21
Most of the optical power is carried out in core region than in cladding.
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Answer & Solution
Answer: Option A
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22
The . . . . . . . . . ray passes through the axis of the fiber core.
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Answer & Solution
Answer: Option C
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23
For lower bandwidth applications . . . . . . . .
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Answer & Solution
Answer: Option D
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24
If the input power 100μW is launched into 6 km of fiber, the mean optical power at the fiber output is 2μW. What is the overall signal attenuation through the fiber assuming there are no connectors or splices?
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Answer & Solution
Answer: Option B
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25
The effects of intrinsic absorption can be minimized by
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Answer & Solution
Answer: Option C
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26
The optical fiber incurs a loss in signal power as light travels down the fiber which is called as . . . . . . . .
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Answer & Solution
Answer: Option B
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27
When a ray of light enters one medium from another medium, which quality will not change?
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Answer & Solution
Answer: Option B
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28
The maximum bit rate that may be obtained on an optical fiber link is 1/3Γ.
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Answer: Option B
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29
What is different in case of cross-phase modulation from self-phase modulation?
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Answer: Option B
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30
Plastic fibers are less widely used than glass fibers.
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Answer: Option A
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