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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-02 — Communication Systems and Networking›C-02-Q085

C-02-Q085mediumsingle_mcq

If the core diameter of an optical fiber is between 50 to 100 microns, it is —

aSingle mode fiber, used for long distance
bMulti mode fiber, used for small distance slow speed
cThinnet, used for cable TV
dThicknet, used for LANs

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এই অধ্যায়ের আরও প্রশ্ন

C-02-Q086Why are single mode fibers more expensive than multi mode fibers?
C-02-Q087Why is laser light preferred over LED light for long distance optical fiber communication?
C-02-Q088The invention of fiber amplifiers for which laser made that wavelength widely used for long distance communica
C-02-Q089Exchange of information between two devices through electromagnetic waves without wires is known as —
C-02-Q090In the electromagnetic spectrum, what happens as the frequency of a wave increases?
C-02-Q091Which two portions of the electromagnetic spectrum have played key roles in modern communication?
C-02-Q092Radio waves are generally classified as having frequencies between —
C-02-Q093Why are radio waves more commonly used for broadcasting?
C-02-Q094The antenna used to transmit a radio signal has to be how much of the length of the signal's wavelength?
C-02-Q095Radio waves can transmit signals from one part of the earth to another because they are —

C-02 — Communication Systems and Networking — সব প্রশ্ন দেখুন (256টি) →