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The Intensity Level of Sound 30 M from a Jet

Question 10

Multiple Choice

The intensity level of sound 30 m from a jet airliner is 120 dB.At what distance from the airplane will the sound intensity level be a tolerable 100 dB? (Assume spherical spreading of sound. )


A) 60 m
B) 90 m
C) 300 m
D) 400 m

Correct Answer:

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