The loudness of sound (L, measured in decibels) perceived by the human ear depends upon intensity levels () according to L= 10 log, , where is the standard threshold 10 of audibility. If o = 1, find the rate of change c the loudness with respect to the standard threshold of audibility. %3D 10 10 IIn 10 10 1+ In 10 10 In 10

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