what is the difference between amplitude and intensity

Amplitude of sound: Amplitude of sound is the maximum displacement of sound wave from its mean position. 

Sound intensity is the sound power per unit area. The sound intensity is directly proportional to the square of the amplitude of sound wave.

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The amplitude of a sound wave is the magnitude of maximunm disturbance in the medium on either sides of the mean value is called amplitude.

The intensity if the sound is the amount of the sound energy passing through a area.

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