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An astronaut is looking down on earth's ...

An astronaut is looking down on earth's surface from a space shuttle at an altitude of `400 km. ` Assuming that the astronaut's pupil diameter is `5 mm` and the wavelength of visible light is `500 nm. ` The astronaut will be able to resolve linear object of the size of about .

A

0.5 m

B

5 m

C

50 m

D

500 m

Text Solution

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The correct Answer is:
C
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