Question

name a region in longitudinal wave where particles of medium are crowded together?​

Answer 1

Answer:

In a longitudinal wave, particles of the medium vibrate in a direction that is parallel to the direction that the wave travels. Places where particles of the medium crowd closer together are called compressions. Places where particles of the medium spread farther apart are called rarefactions.

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Answer 2

Answer:

compression

Explanation:

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.