Can a Water Wave Be Longitudinal?

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In summary, water waves can be both longitudinal and transverse in nature. While transverse waves are more commonly observed on the surface of water, longitudinal waves can also be generated through various means such as sonars, two people communicating underwater, and collisions between objects in water. In addition, a combination of both longitudinal and transverse motion can be seen in surface waves, particularly in shallow water or during tsunami events. The possibility of inducing longitudinal waves in water through changes in surface tension also exists.
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primarygun
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Can a water wave be a longitudinal wave?
 
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Of course. Sonars, two people "talking" to each other underwater, knocking on top of a can of soup, knocking on ice, when fish bump into each other etc.

Transverse water waves are mostly apparent on the surface and during tsunami-like events asaik. Moving a water molecule up and down should cause a transverse wave along the normal plane, a longitudinal one along its oscillating axis, and a combination of both at 0 < angle < 90 degrees.
 
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Longitudinal wave forms in water other than the sound wave option, might possibly be induced by spatially varying surface tension.
 
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primarygun said:
Can a water wave be a longitudinal wave?
Surface waves are a combination of longitudinal and transverse motion. There is significant longitudinal movement in shallow water waves (where the ratio of wavelength/depth is significant). Tsunamis cause a huge longitudinal movement of water, as we all know.

AM
 

FAQ: Can a Water Wave Be Longitudinal?

Can a water wave be longitudinal?

Yes, a water wave can be longitudinal. A longitudinal wave is a type of wave where the particles of the medium move parallel to the direction of the wave. This is in contrast to transverse waves where the particles move perpendicular to the direction of the wave. In water, longitudinal waves can occur when the water is compressed or stretched, causing the particles to move parallel to the direction of the wave.

How is a longitudinal water wave different from a transverse water wave?

A longitudinal water wave differs from a transverse water wave in the direction of particle motion. In a longitudinal wave, the particles move parallel to the direction of the wave, while in a transverse wave, the particles move perpendicular to the direction of the wave. Additionally, the amplitude of a longitudinal wave is measured by the compression or stretching of the medium, whereas the amplitude of a transverse wave is measured by the height of the wave.

What are some examples of longitudinal water waves?

Some examples of longitudinal water waves include sound waves and seismic waves. Sound waves are longitudinal waves that travel through air or water, causing the particles of the medium to vibrate back and forth in the same direction as the wave. Seismic waves are longitudinal waves that travel through the earth's crust, causing the ground to vibrate in the same direction as the wave.

How are longitudinal water waves generated?

Longitudinal water waves can be generated in several ways. One way is through compressive forces, where the water is compressed in one direction, causing a longitudinal wave to propagate through the water. Another way is through vibrational forces, where an object causes the water to vibrate back and forth, creating longitudinal waves.

Can a longitudinal water wave be harmful?

In general, longitudinal water waves are not harmful as they are mostly associated with sound and seismic waves. However, in some cases, large and powerful longitudinal water waves, also known as tsunamis, can be destructive and cause damage to coastal areas. These waves are usually caused by large underwater disturbances, such as earthquakes or landslides.

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