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Unformatted text preview: two rates. How might you reconcile the discrepancy? 3. Assume a blackbody emits at temperature, T . At what frequency is U a maximum? 4. Calculate the number of square degrees in the sky or 4 steradians. 5. The Sun approximately radiates like a 5780 K blackbody. If the Earths atmosphere is transparent to light between 320 nm and 900 nm, compute the fraction of the Suns energy that reaches the Earths surface. 1...
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This note was uploaded on 03/30/2010 for the course PHYSICS 17 taught by Professor Staff during the Fall '03 term at UCLA.
- Fall '03