9th Class Science Sound-152 Question Bank Sound

  • question_answer
    Direction: Read the passage carefully and answer the following question.
    Two tuning forks, A and B vibrate with frequencies in the ratio 2 : 7 and their wavelengths in the ratio 3 : 4 respectively. Both the tuning forks are placed in different media.
    The tuning fork A produces relatively

    A) Shrill sound than tuning fork B

    B) Flat sound than tuning fork B

    C) Louder sound than tuning fork B

    D) Sound of more wavelength than that of tuning fork B.

    Correct Answer: B

    Solution :

    Lower frequency produces bass or flat sound. So, tuning fork A produces flat sound comparatively.

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