Imagine youre in a completely dark room with no windowsand
Chapter 3, Problem 118(choose chapter or problem)
Imagine youre in a completely dark room with no windowsand you cut a 1@ft2 round hole in the roof. Whenthe Sun is high in the sky, about 100 W of solar powerenters the hole. On the floor where the light hits, youplace a beach ball covered with aluminum foil, with theshiny side out. Discuss the illumination in your roomcompared with that of a 100-W incandescent lightbulb?
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