p35_062 - P divided by area) leads to I 2 I 1 = P/W 2 2 P/W...

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62. The area is proportional to W 2 , so the result of problem 61 plus the deFnition of intensity (power
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Unformatted text preview: P divided by area) leads to I 2 I 1 = P/W 2 2 P/W 2 1 = W 2 1 W 2 2 = f 2 1 f 2 2 ....
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