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The point on a longitudinal wave where the particles of a medium are stretched apart.
the wave produced in a stretched string will be a standing wave .it will have a node and antinode.node means point with zero displacement and antinode means point with maximum displacement
A Transverse Wave
foam
A stretched-out area of a wave is called a rarefaction.
The highest part of the wave is called the crest. The lowest part of the is called the trough or valley which is between two waves.
crest
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rarefaction
The point on a longitudinal wave where the particles of a medium are stretched apart.
the wave produced in a stretched string will be a standing wave .it will have a node and antinode.node means point with zero displacement and antinode means point with maximum displacement
A Transverse Wave
foam
Compression is the part of a longitudinal wave where the particles of the medium are crowded together. Rarefaction is the part where the particles are spread apart.
The height of a wave is called the amplitude. The top of the wave is called the crest. The bottom of the wave is called the trough.The frequency of the wave is the number of wave crests passing a given point in a specific amount of time. Frequency is measured in hertz.
Shock waves