Question

What is propagation of sound? What is compression and rarefaction in sound ?
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Answer 1

Answer:

Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.

Compression- a region in a longitudinal (sound) wave where the particles are closest together. • Rarefaction- a region in a longitudinal (sound) wave where the particles are furthest apart.

Explanation:

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Answer 2

Answer:

Sound is a sequence of waves of pressure which propagates through compressible media such as air or water. (Sound can propagate through solids as well, but there are additional modes of propagation). During their propagation, waves can be reflected, refracted, or attentuated by the medium.

Compression- a region in a longitudinal (sound) wave where the particles are closest together.

• Rarefaction- a region in a longitudinal (sound) wave where the particles are furthest apart.

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