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A Certain Crying Baby Emits Sound with an Intensity of

Question 57

Multiple Choice

A certain crying baby emits sound with an intensity of A certain crying baby emits sound with an intensity of .What is the intensity level due to a set of five such crying babies,all crying with the same intensity? You can neglect any absorption,reflection,or interference of the sound.The lowest detectable intensity is 1.0 × 10<sup>-12</sup> W/m<sup>2</sup>. A) 79 dB B) 69 dB C) 56 dB D) 49 dB E) 36 dB .What is the intensity level due to a set of five such crying babies,all crying with the same intensity? You can neglect any absorption,reflection,or interference of the sound.The lowest detectable intensity is 1.0 × 10-12 W/m2.


A) 79 dB
B) 69 dB
C) 56 dB
D) 49 dB
E) 36 dB

Correct Answer:

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