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Sound wave

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Sound

Sound wave

Ayuni Amat
1

vibrates molecules vibrates molecules rarefactions air molecules vibrate lower energy longitudinal vibration other air parallel sound transferring compressions further compressions longitudinal apart rarefactions higher vibrate closer energy

A longitudinal wave is a wave which travels in a direction to the direction of vibrations . An example of a longitudinal wave is .

This is an example of how sound is produced from a loudspeaker :
The loudspeaker , making air molecules surrounding it and therefore transferring vibration and to other molecules . This will produce a wave which is made up of series of and .

Here is another example of how sound is produced from a guitar :
The guitar's string , making surrounding it and therefore and to . This will produce a wave which is made up of series of and .

Compression is a region where air molecules are together and they have pressure .

Rarefaction , on the other hand , is a region where are and they have pressure .