Question: At a rock concert, a dB meter registered 1 3 5 dB when placed 2 . 9 m in front of a loudspeaker on the

At a rock concert, a dB meter registered 135 dB when placed 2.9 m in front of a loudspeaker on the stage. The intensity of the reference level required to determine the sound level is 1.01012W/m2.

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