It uses echo location for all underwater submarines and when the signal comes back you will be able to see whats in front of you.
Sonar location is in the water and echo location is in the air.
Sonar
location and ranging submarines
Naval operations: Submarine and anti-submarine usage. in the thirties a Blimp altimeter called a Sonicaltimeter was tested on Navy Blimps by Admiral Rosenthal, noted (Blimp admiral). The device was made in Germany by Echolot- still in business. Echolot is a blend word of Echo Location or Echo-Pilot. not a Batty idea but uses in a sense ultra-sound not radar waves.
sonar.
Sonar (SOund NAvigation and Ranging) is used to find objects. Sonar is used to find ships, submarines, mines, and other objects in the Navy. Sonar is used in Medicine to find unusual tumors, organs, and cells. Sonar is used in Geology to find minerals, oil, rock formationsn, and water .
It will depend on the speed of sound in the medium. Sonar is often used for underwater location and the speed of sound through water is quite different from the speed of sound through air.
Yes sonar can be used at periscope depth. Surface ships also have sonar arrays on them. They are usually used to detect submarines.
sonar,is used to map mid-ocean ridges:]
Sonar can be used to locate large shoals of fish.
sonar is used to detect big penises
Sonar was used to detect and hunt submarines in WW2