(8c33_10) The intensity I of light from an isotropic point source is determined

Question

(8c33_10) The intensity I of light from an isotropic point source is determined as a function of distance r from the source. The figure gives intensity I versus the inverse square r-2 of that distance. What is the power of the source?

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(8c33_10) The intensity I of light from an isotropic point source is determined as a function of distance r from the source. The figure gives intensity I versus the inverse square r-2 of that distance. What is the power of the source?

You have entered that answer before Incorrect. Tries 3/7 Previous Tries

Explanation / Answer

I = P/A

I = P/(4?r

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