What Is the Intensity of a 70-DB Sound? the Threshold

question 68

Multiple Choice

What is the intensity of a 70-dB sound? The threshold of human hearing is
1.0 × 10^-12 W/m².

• A) 10^-4 W/m²
• B) 10^-5 W/m²
• C) 10^-6 W/m²
• D) 10^-7 W/m²

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