9th Class Science Sound Question Bank Sound

  • question_answer
    Which of the following statements is NOT correct?

    A) The characteristic of sound that distinguishes a shrill noise from a grave one is called pitch,

    B) Pitch is not frequency/ but it changes with frequency.

    C) The voice of a girl is shriller than that of a boy.

    D) The roaring of a lion is shriller than the buzz of an insect  

    Correct Answer: D

    Solution :

    The buzz of an insect is shriller than the roaring of a lion.


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