- Sound waves are mechanical waves because they need a medium to travel. - In fluids (like air and water), sound waves are longitudinal waves, meaning particle motion is parallel to wave propagation. - In solids, sound can propagate as both longitudinal and transverse waves.
Which one of the following statements is true for sound waves propagating in air ?
Asked in UPSC NDA 2 2023 · Topic: Sound (Nature and Propagation of Sound Waves)
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Answer: B. Sound is a mechanical wave and longitudin‐ al in nature
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