What is the method used in Sonar called?

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Echo-capturing

Echo-radiation

Echo-ranging

Echoing

answer is C.

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Detailed Solution

The method used in Sonar is called echo-ranging.

SONAR stands for Sound navigation and ranging. They are used to determine the depth of the sea and to locate underwater hills, valleys, submarines, icebergs, sunken ships etc.

Echo-ranging is the process by which the total distance travelled by the ultrasound from the underwater object is measured.

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