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What is Sonar? Explain the working and application of Sonar.

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Solution

The term SONAR stands for SOund Navigation And Ranging. It is a device used for measuring distance using ultrasonic waves.

Sound waves of ultrasound frequencies are sent and received over a distance. By calculating the time it takes for sound to travel, they calculate the distance from where the sound got reflected. This technique is also called Echo-ranging.

The sonar technique is used to determine the depth of the sea and to locate underwater hills, valleys, submarine, icebergs, sunken ship etc.

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