Which of the following terms apply to sound waves in air and which to water waves?
Transverse, Rarefaction, Trough, Crest, Compression, Longitudinal
Answers
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Answer:
sound waves in air-longitudinal, rarefaction, compression
Explanation:
sound waves in water-transverse,trough,crest
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Sound wave in air: Compression, rarefaction, longitudinal
Sound wave in water: transverse, trough, crest
Explanation:
Now lets us understand each of them clearly in relation to the sound wave.
- When sound waves propagate in air they oscillate along the direction of propagation so they are called longitudinal waves. At molecular level they execute compression and rarefaction of the molecules of the medium air to propagate along.
- When on the surface of water the sound waves change their nature to transverse wave oscillating normal to the direction of propagation forming crest and trough on the surface due to the surface tension of water.
TOPIC: propagation of sound wave on the water surface and in air.
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