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A longitudinal wave is a wave in which the particles of the medium are displaced in a direction parallel to the direction of energy transport. A longitudinal wave can be created in a slinky if the slinky is stretched out horizontally and the end coil is vibrated back-and-forth in a horizontal direction.
- Frequency and Period
When a wave travels through a medium, the particles of the...
- The Speed of a Wave
The wave will reflect or bounce off the person's hand. When...
- Frequency and Period
In the diagram, the compressions move from left to right and energy is transferred from left to right. However, none of the particles are transported along a longitudinal wave.
24 Απρ 2022 · If the frequency of a wave depends on the magnitude of the wave vector, but not on its direction, the wave’s dispersion relation is called isotropic; otherwise it is anisotropic. In the isotropic case, two waves have the same frequency only if the lengths of their wave vectors, and hence their wavelengths, are the same.
Diagram of a longitudinal wave. Examples of longitudinal waves are: Sound waves. Ultrasound waves. P-waves caused by earthquakes. Longitudinal waves cannot be polarised. Labelling Longitudinal Waves. You learned how to describe the properties of a wave, such as amplitude and wavelength at the start of this topic.
Longitudinal waves show areas of compressions and rarefactions. Diagram of a longitudinal wave. The compressions are areas of high pressure due to particles being close together. The rarefactions are areas of low pressure due to the particles spread further apart.
The longitudinal waves in an earthquake are called pressure waves (P-waves) and the transverse waves are called shear waves (S-waves). These two types of waves propagate at different speeds, and the speed at which they travel depends on the rigidity of the medium through which they are traveling.
Longitudinal waves are waves where the motion of the material in the wave is back and forth in the same direction that the wave moves. Sound waves (in air and in solids) are examples of longitudinal waves.
