ntA sound absorber attenuates the sound level by 20 dB.The intensity d – InterviewSolution

1.	ntA sound absorber attenuates the sound level by 20 dB.The intensity decreases by a factor ofn nta)1000n ntb)10000n ntc)10n ntd)100n
Answer» ntA sound absorber attenuates the sound level by 20 dB.The intensity decreases by a factor ofn nta)1000n ntb)10000n ntc)10n ntd)100n

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