Question

What do you mean by sonar? where is it used

Answer 1

Answer:-

Sonar (sound navigation ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels.

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Answer 2

Explanation:

Sonar (sound navigation ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. ... The term sonar is also used for the equipment used to generate and receive the sound.