Question

why are microwaves used in radar?

Answer 1

Microwaves are generally used in RADAR systems due to the fact that they have longer wavelengths and low frequencies. So they can be focussed along a straight line without much deviation.

Answer 2

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Microwaves are electromagnetic waves of frequency range 1 GHz to 300 GHz. Since they are microwaves of smaller wavelengths, they can be transmitted as a beam signal in a particular direction. Also, microwaves do not bend around corners of any obstacle coming in their path. Hence, microwaves are used in radars.

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