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8th Class Science Sound Question Bank Sound

  • question_answer
    Which is true of a body that vibrates with a higher frequency of 2, 00, 000 Hz?

    A)  It does not always produce sound.

    B)                         Shrill sounds are produced, which human being can hear.

    C)                         Dolphins can hear the sound.

    D)                         All of the above

    Correct Answer: C

    Solution :

    A vibrating body which produces sound of a frequency higher than 2, 00, 000 Hz is audible to dolphins, bats, etc.


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