📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!


    âš¡ Azaadi sale - Celebrate Independence Day with Flat 55% Off On all courses! 13 to 17 Aug âš¡ Enroll Now

    Question

    The device used for locating submerged objects under sea

    is –
    A sonar Correct Answer Incorrect Answer
    B radar Correct Answer Incorrect Answer
    C laser Correct Answer Incorrect Answer
    D maser Correct Answer Incorrect Answer

    Solution

    Sonar (originally an acronym for Sound Navigation And Ranging) is a technique that uses sound propagation (usually underwater, as in submarine navigation) to navigate,communicatewithordetectobjectson or under the surface of the water, such as other vessels. Sonar may be used as a means of acoustic location and of measurement of the echo characteristics of "targets" in the water.

    Practice Next
    ask-question

    Not sure which exam is best for you Talk to our expert