Question

4. What is the difference between a compression and a rarefaction in
a sound wave?

Answer 1

Answer:

Compression and rarefaction (ESACT)

However instead of crests and troughs, longitudinal waves have compressions and rarefactions. A compression is a region in a longitudinal wave where the particles are closest together. A rarefaction is a region in a longitudinal wave where the particles are furthest apart...

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Answer 2

Answer:

A compression is a region in a longitudinal wave where the particles are closest together. A rarefaction is a region in a longitudinal wave where the particles are furthest apart.