Question

what is sonar?............

Answer 1

sonar or sound navigation is a technique in which ultrasonic waves is send into the sea to discover the distant object..as soon as waves strike on object it reflected back and recieve by reciever..from where it can be calculated

Answer 2

$hey$

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SONAR stands for SOund NAvigation and Ranging.

It is used in ships to detect underwater signals.

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