Q. In single mode, the decrease in density results in a critical angle that is close enough to

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Q. Optical fibers use reflection to guide light through a

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Q. In the electromagnetic spectrum for wireless communication, the reserved range for Radio waves and microwaves is known as

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Q. 7/125 is the fiber type used in propagation mode:

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Q. The long-distance communication using electric signals was started with the invention of the telegraph by Morse in

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Q. Super High frequency (SHF) is used in

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Q. The range of middle frequency is

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Q. Unguided medium is

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Q. Radio waves are

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Q. Unguided signals can travel from the source to destination in

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Q. Microwaves having frequency between

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Q. Propagation of light is

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Q. The twisted pair cable consists of

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Q. Infrared signals can be used for

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Q. The electromagnetic spectrum is divided into 8 ranges called

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Q. The cable that accepts and transports signals in the form of light is

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Q. The Ultra High Frequency (UHF) is using the propagation method of

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Q. Infrared waves, that can be used for short range communication have frequencies between

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Q. How many modes are currently in used for propagating light along optical channels

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Q. The term that is used to measure of the thickness of the wire is

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