Multiple Choice
The sound level at 1.0 m from a certain talking person talking is 60 dB.You are surrounded by five such people,all 1.0 m from you and all talking equally loud at the same time.The threshold of hearing is 1.0 × 10-12 W/m2.What sound level are you being exposed to? You can neglect any absorption,reflection,or interference of the sound.The threshold of hearing is 1.0 × 10-12 W/m2.
A) 300 dB
B) 60 dB
C) 74 dB
D) 67 dB
E) 81 dB
Correct Answer:
Verified
Correct Answer:
Verified
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