Write a short note on SONAR?
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when the measurements of height in the water is it used to sonar
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SONAR is a sound navigation and ranging. sonar is a device that uses ultrasonic waves to measure the distance. It consist of transmitters and a detector and it is installed down the boat or a ship. the transmitter produce ultrasonic waves. these waves travel through the water and when waves strike to the bottom of the sea it got reflected back.then the reflected waves are sensed by the detector.
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