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OpenStudy (anonymous):

what is the difference between decible and hertz ?

OpenStudy (anonymous):

A decible is a measure of the intensity of sound. How loud it is. A hertz is a measure of the frequency of sound. Its pitch. A high frequency note would be like nails on a chalk board, while a low frequency sound would be the report of a cannon.

OpenStudy (unklerhaukus):

intensity is related to the amplitude of the wave , the frequency is the number of cycles per second

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