ultrasonics are used in Sonar with greatest advantage because ultrasonics
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The acoustic frequencies used in sonar systems vary from very low (infrasonic) to extremely high (ultrasonic). The study of underwater sound is known as underwater acoustics or hydroacoustics.
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Sonar or Sound Navigation And Ranging is a technique which uses sound propagation, usually underwater like in submarine navigation, to navigate, detect or communicate with objects under or on the surface of the water.
The study of underwater sound is called hydroacoustics or underwater acoustics. The acoustic frequencies utilized by sonar systems can vary from infrasonic or very low to ultrasonic or extremely high.
So ultrasonics are used in Sonar with greatest advantage because ultrasonics help in navigation and detection of objects or vessels under and on the surface of water.
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