Question

The device used for locating submerged objects under sea is –

Q: Answer-The device used for locating submerged objects under sea is –

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. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of targets in the water.