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Compressions and Rarefactions are characteristic of

  • A.Longitudinal waves
  • B.Transverse waves
  • C.Both a & b
  • D.Neither of a & b

Answer: A

Compressions and rarefactions characterise longitudinal waves.

The particles oscillate along the direction of travel, so regions of high and low density follow each other. Transverse waves have crests and troughs instead, with particles moving at right angles to the direction of travel.

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