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8th Class Science Sound Question Bank Self Test-2

  • question_answer
    The sound energy has wide application in medical science, as well as in many other fields. The sound of high frequency used in medical science is called ultrasound. The ultrasound used for the checking of the functioning of human heart is called ___________.

    A)  Ultrasonography

    B)  Echocardiography

    C)  Ultrasounds

    D)  Sonography

    E)  None of these

    Correct Answer: B

    Solution :


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