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Spring, 2010 Recitation Session No. 4 Consider a uniform and homogeneous distribution of identical sources of light, each with
luminosity I0, distributed in a thick spherical shell of inner radius r1 and outer radius r2.
Consider next the same number of sources, but this time all of them are located on a
spherical surface whose area equals the average shell area for the former case of a thick
shell. How is the intensity at the center related in the two cases? ...
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