Those would be transverse waves!
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Transverse waves have particles that vibrate perpendicular to the direction of the wave's motion. Longitudinal waves have particles that vibrate in the same direction that the wave is moving.
The wave motion where particles vibrate back and forth in the same direction as the wave is called a longitudinal wave. This type of wave is characterized by compressions and rarefactions in the medium through which the wave propagates. Sound waves are an example of longitudinal waves.
Longitudinal waves cause the medium to vibrate in a direction parallel to the wave's motion. This means that the particles of the medium move back and forth parallel to the direction of the wave. Sound waves are an example of longitudinal waves, as they propagate through air by causing the air particles to compress and rarefy in the direction of the wave.
Longitudinal waves cause the medium to vibrate in a direction parallel to the wave motion. This means that the particles of the medium move back and forth in the same direction that the wave is traveling. Examples of longitudinal waves include sound waves and seismic waves.
In a transverse wave the particle displacement is perpendicular to the direction of wave propagation (at right angles). In a longitudinal wave the particle displacement is parallel to the direction of wave propagation.