The Amplitude of sound's pressure or forcefulness is measured using Decibel Scale
Sound is a periodic variable, the amplitude of a periodic variable is a measure of its change in a single period.
The units of the amplitude depend on the type of wave, in our example sound wave.
Amplitude, reported on the decibel (dB) scale, measures sound's pressure or forcefulness. The more amplitude a sound has, the louder it is sound
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