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प्र: Sound waves cannot travel through

  • 1
    Gas
  • 2
    Liquid
  • 3
    Vacuum
  • 4
    Solid
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उत्तर : 3. "Vacuum"
व्याख्या :

Answer: C) Vacuum Explanation: Sound waves cannot travel through a Vacuum.   A vacuum is an area without any air, like space. So sound cannot travel through space because there is no matter for the vibrations to work in.

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