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Question
The device which uses ultrasonic waves to measure the distance, direction and speed of underwater objects is ___ .
The device which uses ultrasonic waves to measure the distance, direction and speed of underwater objects is ___ .
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Solution
The correct option is C SONAR
The device which uses ultrasonic waves to measure the distance, direction and speed of underwater objects is known as SONAR. SONAR stands for Sound Navigation and Ranging. SONAR is helpful for exploring and mapping the ocean because sound waves travel faster in water than that in air.
The device which uses ultrasonic waves to measure the distance, direction and speed of underwater objects is known as SONAR. SONAR stands for Sound Navigation and Ranging. SONAR is helpful for exploring and mapping the ocean because sound waves travel faster in water than that in air.
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