Question

Find out what RADAR and SONAR stand for and how they are useful to us.

Answer 1

RADAR stands for-Radio Detection and Ranging and SONAR stands for-Sound Navigation and Ranging.

These both are remote sensing systems and are helpful in military, scientific and commercial applications.

RADAR signals are mostly used for ground or atmospheric observations.

And SONAR signals are ideal for navigation and measurement under water as they easily penetrate water .

Answer 2

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HERE IS THE ANSWER ✌
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sonar : (short for sound navigation and ranging) A system for the detection of objects and for measuring the depth of water. It works by emitting sound pulses and measuring how long it takes the echoes to return.

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radar : (short for radio detection and ranging) A system for calculating the position, distance or other important characteristic of a distant object. It works by sending out periodic radio waves that bounce off of the object and then measuring how long it takes that bounced signal to return. Radar can detect moving objects, like airplanes. It also can be used to map the shape of land — even land covered by ice.

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