Decibel Level The range of sound intensities that the
Chapter , Problem 4.4.81(choose chapter or problem)
Decibel Level The range of sound intensities that the human ear can detect is so large that a special decibel scale (named after Alexander Graham Bell) is used to measure and compare sound intensities. The decibel level (dB) of a sound is given by dB(I ) = 10 loga II0bwhere is l0the intensity of sound that is barely audible to the human ear. Use the decibel level formula to work Exercises 81 to 84. Find the decibel level for the following sounds. Round to thenearest tenth of a decibel.Sound Intensitya. Automobile trafficb. Quiet conversationc. Fender guitard. Jet engineI = 1.58 * 1015 # I0I = 3.16 * 1011 # I0I = 10,800 # I0I = 1.58 * 108 # I0
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