explain s o n a r its working with d i a
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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.
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SONAR stands for Sound Navigation and Ranging.
It is a device that uses ultrasonic waves to measure the distance, direction and speed of underwater objects.
Its working are
(i) a strong beam of light
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