Question

Explain how does SONAR work?​

Answer 1

Sonar is simply making use of an echo. When an animal or machine makes a noise, it sends sound waves into the environment around it. Those waves bounce off nearby objects, and some of them reflect back to the object that made the noise.

Answer 2

SONAR Stands for Sound Navigation And Ranging.

SONAR is also work into sea water. It is used to measure depth or distance of an object into the water.

hope i am right.......