Question

What do u mean by sonar?? Give eg

Answer 1

Definition of sonar. : a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects also : a device for detecting the presence of a vessel (such as a submarine) by the sound it emits in water

                                                       (or)

sonar (originally an acronym for Sound Navigation And 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.

Answer 2

Sonar stands for Sound Navigation and ranging. It is an acronym for sound is a technique that uses sound propagation to navigate , communicate with or detect object on .
for eg.- usually underwater as in submarine Navigation.

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