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হোম›একাদশ-দ্বাদশ শ্রেণি›English Version›Information and Communication Technology›C-02 — Communication Systems and Networking›C-02-Q078

C-02-Q078mediumsingle_mcq

Optical fiber cables are incredibly transparent to which range of light?

aVisible light (400-700nm)
bInfrared light (1300nm-1500nm)
cUltraviolet light
dX-rays

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এই অধ্যায়ের আরও প্রশ্ন

C-02-Q079In an optical fiber cable, the part where the refraction index is the highest is called the —
C-02-Q080In an optical fiber cable, the part where the refraction index is the lowest is known as —
C-02-Q081Light travels through an optical fiber cable based on the principle of —
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 — Communication Systems and Networking — সব প্রশ্ন দেখুন (256টি) →