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the meaning of radar.

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Radar (noun) is a detection device and system that uses radio waves to determine the velocity, range or angle of moving or immobile object. Radar are mostly used for tracking  things like aircrafts, spaceships, submarines, ships or finding new species of animals or birds, etc.  For example- The submarine has a radar to foresee any nearby danger or any alien object around them.

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Deependra Verma

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