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    science
    Grade6
    Easy

    Question

    Sound cannot travel through _________

    1. Air
    2. Water
    3. Solid
    4. Vacuum

    Hint:

    Mechanical waves need a strong medium to travel

    The correct answer is: Vacuum

      • Sound cannot travel through a vacuum.
      • Because there is no matter for the vibrations.
      • Sound needs a material medium for its propagation like a solid, liquid, or gas to travel.

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