The intensity due to a number of independent sound sources is the sum of the individual intensities.
Question:
(a) When four quadruplets cry simultaneously, how many decibels greater is the sound intensity level than when a single one cries?
(b) To increase the sound intensity level again by the same number of decibels as in part (a) how many more crying babies are required?
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IDENTIFY and SET UP Apply the relation 10 dB log 11 that is der...View the full answer
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Related Book For 
Modern Systems Analysis And Design
ISBN: 9780134204925
8th Edition
Authors: Joseph Valacich, Joey George
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