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    Question

    Which of the following pair regarding sound is correct?

    I. Loudness – depends on amplitude II. Shrillness – depends on frequency
    A Only II Correct Answer Incorrect Answer
    B Only I Correct Answer Incorrect Answer
    C Both I and II Correct Answer Incorrect Answer
    D Neither I nor II Correct Answer Incorrect Answer

    Solution

    Loudness of the sound produced by a vibrating object depends on the amplitude of vibration. Shrillness of a sound depends on the frequency of the wave.

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