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SOLVED: A 80dB sound at 1KHz is about the same perceived loudness as a 20Hz sound at what dB? 80dB b. 90dB c. 100dB d. 110dB e. 120dB
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An 80-db sound relative to 30-db sound is more intense by a factor of:|| PIEAS test (2013-15). - YouTube
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How Loud Is 85 Decibels | What Does 85 dB Sound Like
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Statement I: A 80 dB sound has twice the intensity of a 40 dB sound. Statement II: Loudness of a... - YouTube
How Loud Is 80 Decibels | Is 80 dB Sound Loud
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How Loud Is 80 Decibels | Is 80 dB Sound Loud
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