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4. If the intensity of a sound is 40 W/m at 7m from the source, then at what distance will the intensity drop to 20

4. If the intensity of a sound is 40 W/m at 7m from the source, then at what distance will the intensity drop to 20 W/m ? 12 = Name Spring 202 5. How much is the intensity of 23 x10"7 W/m in decibels

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