Question

what is sonar ? and uses of it​

Answer 1

Answer

Sonar (originally an acronym for 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.

Answer 2

sonar - sound navigation and ranging

it is a device used to detect the underwater object

its has a transmitter and a detector

its use is to detect any underwater submarines and iceburgs