Question

what is sonar? write uses of sonar technique ?​

Answer 1

Explanation:

south navigation and ranging.

sonar technique is used to deterdetermine the distance and location of underwater objects such as submarine , icebergs , etc.

Answer 2

Answer:

Sonar is a technique that uses sound propagation to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels military.

The primary purpose of military sonar is to detect and attack other ships. Surface ships, aircraft and submarines all use sonar . Other uses of sonar include communications (the US Navy calls it an Underwater Telephone, NATO allies call it Gertrude), navigation (fathometers, under-ice, etc), sound velocity measurements and mine detection and classification.

The term SONAR means SOund NAvigation and Ranging.