What, approximately, are the dimensions of the smallest object on Earth that the astronauts can resolve by eye at 200 km height from the space shuttle? Assume ? = 500 nm light and a pupil diameter D = 0.50 cm. Assume eye fluid has an average n = 1.33

a. 150 m
b. 100 m
c. 250 m
d. 25 m
e. 18 m


e

Physics & Space Science

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