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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-02 — Communication Systems and Networking›C-02-Q081

C-02-Q081mediumsingle_mcq

Light travels through an optical fiber cable based on the principle of —

aRefraction
bDiffraction
cTotal internal reflection
dDispersion

Kপূর্ববর্তী

81/256

Jপরবর্তী

এই অধ্যায়ের আরও প্রশ্ন

C-02-Q082What is the diameter of an optical fiber?
C-02-Q083If the core diameter of an optical fiber is between 8 and 12 microns, it is called —
C-02-Q084Single mode fibers are used for —
C-02-Q085If the core diameter of an optical fiber is between 50 to 100 microns, it is —
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 — Communication Systems and Networking — সব প্রশ্ন দেখুন (256টি) →