Physics, 10.04.2021 05:40, quoia89

The diagram shows waves of sound travelling through the air. An illustration of a point labeled sound source with concentric circles spreading out from it. Every other circle is 1 more meter away from the source. The sound source is 270 decibels.
By which factor is the sound intensity decreased at 3 meters?

StartFraction 1 over 9 EndFraction.
StartFraction 1 over 3 EndFraction.
StartFraction 1 over 2 EndFraction.
StartFraction 1 over 4 EndFraction.

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The diagram shows waves of sound travelling through the air. An illustration of a point labeled sou...