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Sound — Science STD 9 — Question

Gujarat BoardEnglish MediumSTD 9ScienceSound1 Mark
MCQ
Sound travels in air:
  • A
    If particles of medium travel from one place to another.
  • B
    If there is no moisture in the atmosphere.
  • ✓
    If disturbance moves.
  • D
    If both, particles as well as disturbance move from one place to another.
✓

Answer

Correct option: C.
If disturbance moves.
Sound is a longitudinal wave in which the disturbance created by the vibrating body is carried out by the medium without the actual movement of the medium particles.

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