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The device used for locating submerged objects under sea is

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Physics
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The device used for locating submerged objects under sea is.

Answer & Solution
Correct Answer: Option A
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.
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