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2. The fingers on your hand are approximately 0.5 cm apart. lgnoring atmospheric blurring, what size mirror would a spy satellite have to have in order to tell how many fingers you are holding up at it using visible light (wavelength - 500 nm) at an altitude of 200 km?

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2. The fingers on your hand are approximately 0.5 cm apart. lgnoring atmospheric blurring, what size...
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