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9th Class Science Work and energy Question Bank Work, Energy and Sound

  • question_answer
    Which one of the following statements is correct?

    A) The speed of sound depends on the nature of medium through which it travels.

    B) The speed of sound depends on the temperature of medium through which it travels.

    C) The speed of sound depends on the humidity of air when it travels in air.

    D) All the above

    E) None of these

    Correct Answer: D

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