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Decibel

Definition of Decibel

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A decibel is one tenth of a bel, where a bel is logarithmic ratio of two intensities.

 

Intensity = 10log(I1 / I0) (dB)

 

 

Decibel Explained with Examples

 

Decibels in Ultrasound

 

 

Decibel in Physics Problems

 

Decibel in Sound and Hearing