Sonar is an abbreviation of Sound Navigation and Ranging
- It is used to detect objects submerged under water such as sea rocks and submarines, and for measuring their depth.
- Ultrasonic waves from a transmitter are sent into the water.
- When intercepted by some rock or submarine, they are reflected back and detected by a detector.
- Measuring the time–interval between the transmission and reception of the Ultrasonic waves and knowing their speed in sea water, the depth of the rock or the submarine can be calculated.
- The principle of Sonar is also used in detecting flaws in materials and in mechanical testing of materials without damaging them.
Step-by-step explanation:
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