Question

what is sonar and give some points ​

Answer 1

Explanation:

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. ... The study of underwater sound is known as underwater acoustics or hydroacoustics.

Answer 2

Answer:

noun

equipment or a system for finding objects under water using sound waves.

ध्वनीलहरींचा वापर करून पाण्याखाली असणाऱ्या वस्तू शोधण्याची सामग्री किंवा यंत्रणा; स्वनक.

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