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Microwaves

For wireless ...

Question

For wireless communication of voice signal through the atmosphere, we use electromagnetic waves in the_________Region of spectrum

A

Ultraviolet

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B

Visible

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C

Microwave

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D

Radiowave

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Solution

The correct options are
B Microwave
C Radiowave
Electromagnetic waves which are used in radio, television and other communication system are radio waves and microwaves. So, we use electromagnetic waves in the microwave and radiowave region of spectrum.

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