Q. 67 A4.7( 9 Votes )

What is sonar? Ex

Answer :

SONAR stand for Sound, Navigation And Ranging. It is a device used to measure distance, direction and speed of underwater objects _ It has a transmitter and detector near its base. The transmitter transmits ultrasonic signals which get reflected by various underwater objects. These are received by the detector which can convert these waves into appropriate electrical signals and give us the required Information.


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