Physics · Acoustics and Sound

What will be the resultant noise level when two independent sources generating noise levels of 81 dB and 90 dB are combined?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1~ 118 dB
2~ 98 dB
3~ 91 dB✓
4~ 96 dB

Correct answer

~ 91 dB

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What will be the resultant noise level when two independent sources generating noise levels of 81 dB and 90 dB are combined?

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