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At a rock concert, a dB meter registered 124 dB when placed 2.5 m in front of a loudspeaker on stage. What is the sound
Posted: Mon May 16, 2022 3:06 pm
by answerhappygod
- At A Rock Concert A Db Meter Registered 124 Db When Placed 2 5 M In Front Of A Loudspeaker On Stage What Is The Sound 1 (28.68 KiB) Viewed 59 times
At a rock concert, a dB meter registered 124 dB when placed 2.5 m in front of a loudspeaker on stage. What is the sound level produced by the rock concert at 10 m, assuming uniform spherical spreading of the sound and neglecting absorption in the air? (lo= 1 10-12 W/m2 is a reference intensity, usually taken to be at the threshold of hearing.) 109 dB 112 dB 119 dB 129 dB 122 dB