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mikael mikael
wrote...
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Posts: 12017
10 years ago
Astronomers are proud of their telescopes, and often say they can "resolve a dime at so many miles." How many miles can you move a disk (D = 3.0 cm) from a 204-cm-diamter telescope mirror and just resolve it using light of wavelength 573 nm? 
A) 26 mi 
B) 13 mi 
C) 54 mi 
D) 260,000,000 mi 
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padrepadre
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Posts: 21610
10 years ago
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