As a result, the receiver collects these waves. These waves are reflected by objects or the seabed after they strike. ![]() Waves pass through water and hit objects submerged or on the seabed. Ultrasonic waves or ultrasound are generated by the transmitter. The whole device has been loaded into the ship. A transmitter and receiver are used in SONAR techniques. So, it serves for plenty of uses but let’s first understand the working of SONAR. ![]() Submarines also communicate with the help of SONAR and during wars military ships and submarines and detect underwater torpedo and missile attack with the help of SONAR. It is generally used by ships, submarines to detect underwater objects like rocks, icebergs which causes serious risk to the ships. SONAR is a process of communicating or detecting objects underwater. SONAR stands for Sound Navigation and Ranging. ISRO CS Syllabus for Scientist/Engineer ExamĪlso, a special device called SONAR uses ultrasonic sounds which are useful to measure the distance, direction, speed, and other various aspects of underwater objects or bodies. ![]() ISRO CS Original Papers and Official Keys.GATE CS Original Papers and Official Keys.
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