Multiple Choice Questions on The technology developed to track enemy submarines in World War II was ........ for RRB(NTPC) Exam Preparation

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Multiple Choice Questions

The technology developed to track enemy submarines in World War II was ........

Current GK (RRB NTPC) Science & Technology
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    The technology developed to track enemy submarines in World War II was

    RADAR

    Incorrect Answer

    SONAR

    Correct Answer

    Echolocation

    Incorrect Answer

    LIDAR

    Incorrect Answer
    Explanation:
    * SONAR is Sound Navigation Ranging, is a technique developed to track enemy submarines in World War II.
    * SONAR uses sound propagation to navigation, communication and detection of objects in oceans.
    * Two types of technology share the name "sonar": Passive sonar is essentially listening for the sound made by vessels; Active sonar is emitting pulses of sounds and listening for echoes.

    By: Barka Mirza
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