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Chery Chery
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7 years ago
The intensity at a distance of 6.0 m from a source that is radiating equally in all directions is 6.0 × 10-10 W/m2.  What is the intensity level in dB? The threshold of human hearing is 1.0 × 10-12 W/m2.
A) 18 dB
B) 23 dB
C) 28 dB
D) 32 dB
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College Physics

College Physics


Edition: 1st
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noreyaganoreyaga
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7 years ago Edited: 2 years ago, bio_man
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Chery Author
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#2
7 years ago
Thanks a million
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