2. Solved Papers
  3. WB JEE Medical

WB JEE Medical WB JEE Medical Solved Paper-2007

  • question_answer
    The crystal of lead zirconate is a key component of

    A)  sonography

    B)  electrocardiography

    C)  electroencephalography

    D)  magnetoencephalography

    Correct Answer: A

    Solution :

                    In Ultrasound scanning or Sonography, ultrasound waves are produced by the piezoelectric effect when an electric potential is applied to crystals of lead zirconate.


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