Physics · Acoustics and Noise Pollution
The threshold of pain for human hearing is approximately 120 dB. What is the corresponding sound intensity in W/m2? (Take reference threshold intensity I0 = 10-12 W/m2)
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 110 W/m2
- 21 W/m2✓
- 320 W/m2
- 42 W/m2
Correct answer
1 W/m2
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