Question

State the principle of SONAR
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Answer 1

Answer:

Sound Navigation and Ranging.

Explanation:

Sonar is based on the principle of reflection of Ultrasonic Sound waves. Ultrasonic sound waves are high frequency waves with frequency over 20Khz. The SONAR transmitter in the Ship sends the ultrasonic sound waves towards the sea bed from where they get reflected. ... SONAR stands for Sound Navigation and Ranging.

Answer 2

Explanation:

The term sonar is also used for the equipment used to generate and receive the sound.

Sonar (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.

$\sf\green{ The \:echolocation\: principle\: is \:used\: in\: SONAR.}$