Due to the fact that sound waves travel further in water than radar and light waves do, sonar, which stands for Sound Navigation and Ranging, is useful for exploring and mapping the ocean.
How does underwater sonar operate?
By sending ultrasonic waves into the water and listening for the returned echoes, a sonar may find these items. The distribution, density, and movement of a school of fish can be seen on the Sonar display at an angle of 360° or 180° in all directions.
Can sonar identify undersea humans?
To "see" in the water, sonar uses sound waves. To find underwater shipwrecks, bodies of people, and other objects, as well as to determine the circumstances of their drowning, sonar is a very valuable tool.
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