Question

what is mean by decible​

Answer 1

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A unit used to measure the intensity of a sound or the power level of an electrical signal by comparing it with a given level on a logarithmic scale.

Explanation:

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Answer 2

The intensity of the sound (noise) is expressed in decibel. This is briefly called db I.e. the unit of intensity of noise is db. There are no tracks available. Usually, the sound we talk about has a 50 to 60db. sound that doesn't sound bad to the ears and the 70db sound is faster.