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its not a refraction its rarefaction

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Q: What is a section of a longitudinal wave where the particles are less crowded than normal called?
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What is the part of the longitudinal wave where the particles are close together called?

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.


Wave in which particles move parallel to wave motions?

This type of wave is called longitudinal waves.


When particles or waves are clustered together in a longitudinal wave what are they called?

compression


A wave in which particles move back and forth at right angles to the direction of travel is called what?

a wave in which matter is moved back and forth in the direction the wave is moving


Why is it called longitudinal waves?

Since the particles of the medium vibrate parallel (length wise) to the direction of propagation of the energy. HEnce the name longitudinal.


In which type of waves do the particles in a medium vibrate in the same direction the wave is moving?

Longitudinal. An example of a longitudinal wave is sound. It pushes the medium particles forwards and backwards, parallel to the wave's direction. Transverse waves cause particles to move perpendicular to the wave. (E.g. visible light, x-rays, microwaves)


Why sound waves are longitudinal waves?

If the particles of the medium vibrate in the direction of propagation of wave, as in sound waves that's why sound waves are called longitudinal waves.


A wave in which the particles of the medium vibrate parallel to the direction of wave motion?

That is called a Longitudinal wave


A section that divides the body on the longitudinal plane into equal right and left parts is called?

Solar plexus


What is a wave which causes the particles of the medium to move in the same direction that the wave is traveling?

It's called a longitudinal wave.


What are Waves that move the particles of the medium parallel to the direction in which the waves are traveling called?

Longitudinal. An example of a longitudinal wave is sound. It pushes the medium particles forwards and backwards, parallel to the wave's direction. Transverse waves cause particles to move perpendicular to the wave. (E.g. visible light, x-rays, microwaves)


How do the particles of energy in a longitudinal wave move?

In a longitudinal wave, the particles do not move with the wave. The particle movement is parallel to the direction of the wave propagation. This means that the particles move left and right which in turn makes the other particles start to oscillate. This creates a wave. longitudinal pressure waves are also known as sound waves.