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9th Class Science Sound Question Bank Sound

  • question_answer
    The frequency of a source is 20 kHz. The frequencies of the sound waves produced by it in water and air will

    A) Be the same as that of the source

    B) Depend upon the velocity of the waves in these media

    C) Depend upon the wavelength of the waves in these media

    D) Depend upon the density of the media.

    Correct Answer: A

    Solution :

    Frequency of the sound waves is independent of the medium. It will be same in water as well as in air.


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