What apparatus is used to locate a submerged object?
A
Radar
B
Sonar
C
Quasar
D
Pulsar
Correct Answer: Sonar
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.