Question

Decibel is a unit of

Answer 1

Decibel (dB), unit for expressing the ratio between two physical quantities, usually amounts of acoustic or electric power, or for measuring the relative loudness of sounds. One decibel (0.1 bel) equals 10 times the common logarithm of the power ratio.

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Answer 2

Answer:

DECIBAL IS THE UNIT OF SOUND...

Explanation:

SOUND IS A FORM OF ENERGY WHICH REQUIRED MATERIAL MEDIUM TO PROPAGATE...

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