SSC General Science & Technology Sample Paper NCERT Sample Paper-3

  • question_answer
    An apparatus used for locating submerged objects is known as

    A)  Pulsar  

    B)  Sonar

    C)  Radar  

    D)  Quasar

    Correct Answer: B

    Solution :

    [b] 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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