Science Fair Project Dictionary
Decibel
decibel
- a common measure of sound intensity that is 1 tenth of a Bel on the logarithmic intensity scale. It is defined as dB = 10 * log10(P 1/P 2), where P1 and P2 are the relative powers of the sound.
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10-26-2009 07:45:12
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details


