Question

What is SONAR???what is it full form. Why it is like math

Answer 1

Sound navigation and ranging its application is mainly in finding the depthvof the sea

Answer 2

full form of SONAR is SOund

Navigation And Ranging.

Sonar  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.