Question

what type of waves are generated by SONAR device fixed to a fishing ship​

Answer 1

A SONAR (sound navigation and ranging) uses ultrasonic waves to detect and locate objects under water. In a submarine equipped with a SONAR the time delay between generation of a probe wave and the reception of its echo after reflection from an enemy submarine is found to be 77. 0 s.

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Answer 2

Answer:

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