What is the SI unit of intensity of sound?

Answer:

Sound intensity (I) is described as sound per unit area perpendicular to the path of the sound waves. The standard definition is the calculation of noise sound intensity in the air at the listener position as a quantity of sound energy. The Formula for sound intensity is expressed as,

I = P/A

Where

P = sound power

A = area

SI Unit of sound intensity

SI Unit of sound intensity is decibel. Sound intensity is defined as the sound power per unit area. A decibel is a ratio of the observed amplitude, or intensity level to a reference, which is 0 dB.

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