Sound wave is the wave produced when two objects are made to struck each other.
A wave is the form of ups and down line in sinusoidal wave which undergoes compression and rarefaction when striked by any obstruction.
The vibrations are caused by the disturbance of any object. These vibrations when produce sound along with vibrations.
For example: when a bell is rang, marching on the bridge by soldiers, stretching the spring about the equilibrium.
Thus, sound wave is the wave produced when two objects are made to struck each other.
Learn more about wave.
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