At a rock concert, a dB meter registered 130 dB when placed 2.5m in front of a loudspeaker on stage.

Published by admin at October 10, 2023

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At a rock concert, a dB meter registered 130 dB when placed 2.5m in front of a loudspeaker on stage. (a) What was the power output of the speaker, assuming uniform spherical spreading of the sound and neglecting adsorption in the air? (b) How far away would the sound level be 85 dB?

At a rock concert, a dB meter registered 130 dB when placed 2.5m in front of a loudspeaker on stage.

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