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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-14

  • question_answer
    If the density of air at a point through which a sound wave is passing is maximum at an instant, the pressure at that point will be:

    A) Minimum

    B) Same as the density of air

    C) Equal to the atmospheric pressure

    D) Maximum

    E) None of these

    Correct Answer: D

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