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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Sound cannot travel through:
  • A
    Solids
  • B
    Liquids
  • ✓
    Vacuum
  • D
    Gases.
✓

Answer

Correct option: C.
Vacuum
Vacuum is defined as the empty space in which there are no matter particles present. As sound is a mechanical wave, in order to propagate material medium is required. Sound cannot travel through vacuum as there is no particles present for vibrations to take place.

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