Physics · Sound
Which of the following statements about mechanical sound waves is correct?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Sound waves are transverse in air and need no medium.
- 2Sound can travel in a vacuum because it is longitudinal.
- 3Sound requires a material medium to travel and is a longitudinal wave in air.✓
- 4Sound travels faster in a vacuum than in air.
Correct answer
Sound requires a material medium to travel and is a longitudinal wave in air.
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