When a vibrating object due to which sound produces moves backwards, it creates a region of low pressure called ____.

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When a vibrating object due to which sound produces moves backwards, it creates a region of low pressure called rarefaction.
A region of high pressure is called a compression zone when an object that vibrates pushes and compresses the air in front of it as it goes forward. At the same time, the region of low pressure is called rarefaction. In this vibrating state, the object moves backwards. $Question Image$ A series of compressions and rarefactions are generated in the air as the object goes back and forth quickly. They create the sound wave that travels through the medium. This procedure is repeated until the sound wave reaches the listener's ear.

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