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What is tha SONAR |
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Answer» SONAR- The acronym SONAR stands for Sound Navigation and Ranging.Sonar is a device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects.Principle: It uses the phenomenon of echoes in determining the sea-depth and locating the presence of under-water objects.Working:\xa0i) A strong beam of ultrasonic waves is sent from a transmitter mounted on the ship.ii) The beam is reflected from the seabed and is received by an under-water detector which is also mounted on the ship.iii) The time interval between transmission and reception of the ultrasonic signal is noted SONAR stand for sound navigation and herings |
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