Factors affecting sound intensity

AI Thread Summary
Sound intensity is primarily influenced by amplitude and frequency, but distance from the source also plays a crucial role. Intensity is defined as power divided by area, leading to the relationship that intensity is inversely proportional to the square of the distance from the source (I ∝ 1/r²). This means as the distance increases, the sound intensity decreases significantly. A deeper understanding of intensity requires distinguishing it from power. Overall, both distance and the definitions of intensity and power are essential for analyzing sound intensity.
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Homework Statement


the factor affecting sound intensity is amplitude and frequency . why not also the distance from the source (r) ,

in my opinion, intensity = power/area , so the intensity = power/ 4 pi r ^2 ... so I is inversely proportional to r^2 ...


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The Attempt at a Solution

 
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I think you should take another look at the definition of intensity and compare it to the definition of power.
 

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