Transverse waves like light involve oscillations not of medium particles but of electromagnetic fields.
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The waves seen on the water surface when a pebble is dropped in a pond.
The propagation of disturbance in a slinky can be compared to sound propagation in a medium because both involve longitudinal waves where compressions and rarefactions travel through the medium, and the particles move parallel to the direction of the wave, ...
In longitudinal waves, the particles of the medium do not move from one place to another. Instead, they oscillate back and forth about their position of rest, moving in a direction parallel to the wave’s propagation.
Sound waves propagate in a medium as a series of compressions and rarefactions, similar to the way a disturbance moves through a slinky. This creates alternating high and low-pressure regions that move through the medium.
In the context of a slinky, compressions are the regions where the coils are closer together, and rarefactions are the regions where the coils are further apart.
Air is the most common medium through which sound travels.
A sound wave is created by a series of compressions and rarefactions in the air, caused by the rapid back-and-forth movement of a vibrating object.
When the vibrating object moves backward, it creates a region of low pressure called a rarefaction.
When a vibrating object moves forward, it pushes and compresses the air in front of it, creating a region of high pressure called a compression.