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Question
A device which is used to find the depth of sea is called:
A device which is used to find the depth of sea is called:
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Solution
The correct option is B SONAR
SONAR (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. This technique utilizes ultrasonic waves to estimate and measure the distance, direction and speed of objects underwater.
SONAR (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate, communicate with or detect objects on or under the surface of the water, such as other vessels. This technique utilizes ultrasonic waves to estimate and measure the distance, direction and speed of objects underwater.
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