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    Question

    Which medium cannot propagate sound

    waves?
    A Vacuum Correct Answer Incorrect Answer
    B Liquid Correct Answer Incorrect Answer
    C Solid Correct Answer Incorrect Answer
    D Gas Correct Answer Incorrect Answer

    Solution

    Sound waves require a medium (solid, liquid, or gas) to travel through as they are mechanical waves. In a vacuum, where there are no particles to transmit vibrations, sound cannot propagate.

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