A long-term exposure to the sound of a riveting machine can cause your threshold of hearing to shift from 0 dB to 30 dB. What is the sound intensity of a 30-dB sound? The normal lowest detectable intensity is $1.0 \times 10 ^ { - 12 } \mathrm {~W} / \mathrm { m } ^ { 2 }$

Question

A long-term exposure to the sound of a riveting machine can cause your threshold of hearing to shift from  0 dB to  30 dB. What is the sound intensity of a  30-dB sound? The normal lowest detectable intensity is $1.0 \times 10 ^ { - 12 } \mathrm {~W} / \mathrm { m } ^ { 2 }$

Quizplus · Accepted Answer

The Answer is 1.0 × 10-9 W/m2

A Long-Term Exposure to the Sound of a Riveting Machine 1.0×10−12 W/m21.0 \times 10 ^ { - 12 } \mathrm {~W} / \mathrm { m } ^ { 2 }1.0×10−12 W/m2

A Long-Term Exposure to the Sound of a Riveting Machine $1.0 \times 10 ^ { - 12 } \mathrm {~W} / \mathrm { m } ^ { 2 }$