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8th Class Science Sound Question Bank Sound

  • question_answer
    The picture shows a xylophone. A, B, C and D are the rods in it. Which of the following rods has high pitch of the sound and which has low frequency of vibrations?

    A)
    High pitch Low frequency
     D A

    B)
    High pitch Low frequency
     B and C B and C

    C)
    High pitch Low frequency
     A and D A and D

    D)
    High pitch Low frequency
     A D

    Correct Answer: D

    Solution :

    Pitch of sound depends on the frequency of vibrations. Smaller length vibrates faster, so the frequency increases and sound produced is of high pitch.


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