Question

State True or False.

SONAR is an instrument used for finding the heights of a mountain.

Answer 1

False

An altimeter or an altitude meter is an instrument used to measure the altitude of an object above a fixed level. 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.