Question

Longitudinal waves are made up of areas of more dense particles or less dense particles. The less dense particles are called ___.
a.crest
b.compressions
c.wavelengths
d.rarefactions

Answer 1

Answer:

d

Explanation:

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Answer 2

Longitudinal waves are made up of areas of more dense particles or less dense particles. The less dense particles are called compressions.

• Compression is the longitudinal wave region with greater density and pressure than normal.

• Compression is the region of greatest density, and rarefaction is the region of highest density.

• In a longitudinal wave, the particles are displaced parallel to the wave's direction.

• Longitudinal waves have energy that vibrates parallel to the medium.

• A rarefaction is a point on a medium through which a longitudinal wave is travelling that has the minimum density.

• Longitudinal waves are waves where the displacement of the medium is in the same direction as the direction of the travelling wave. The distance between the centres of two consecutive regions of compression or the rarefaction is defined by wavelength (λ.)