Rarefaction occurs only in what type wave?

Answer by  bram (14)

Compression waves in some kind of matter, such as sound waves in air. By definition, rarefaction is the drop in pressure resulting from the passage of a pressure wave. Note that compression waves are always longitudinal, that is, compression waves oscillate in the same direction as they travel.

Answer by  willard (874)

Rarefaction is the decrease in density of a fluid as a wave passes by. Sound waves consist of alternating regions of compression and rarefaction that propgate through a fluid medium like air or water.

Answer by  Anonymous

Longitudal