Multiple Choice
A sound meter placed 5.0 m away from a speaker registers a sound level of 60 dB.If the volume on the speaker is turned down so that the power is reduced by a factor of 40,what will the sound meter now read?
A) 1.5 dB
B) 7.5 dB
C) 15 dB
D) 44 dB
E) 56 dB
Correct Answer:
Verified
Correct Answer:
Verified
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