'SONAR' is mostly used by - (1) Doctors (2) Engineers (3) Astronauts (4) Navigators

'SONAR' is mostly used by - (1) Doctors (2) Engineers (3) Astronauts (4) Navigators
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(4) Navigators Explanation: a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects also : a device for detecting the presence of a vessel (such as a submarine) by the sound it emits in water.
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Which universities have the most astronauts graduated from?

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Explain how do astronauts survive and work in space.

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Where can I find a download of a personal home studio for free that has the engineering presets like cake walk/Sonar or even better cake walk?

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Courts have allowed the Navy to continue to do sonar testing off the California coast, has it been proven that these tests harm marine life?

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Who is the architect of "Sonar Bangla" sculpture ?

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"Amar Sonar Bangla" composed by the poet in imitation of which tune ?

Description : "Amar Sonar Bangla" composed by the poet in imitation of which tune ?

Last Answer : Kabiguru Amar Sonar Bangla - composed by Gagan Harkara in imitation.