Problem: The human eye has a pupil of about 12 mm in diameter. If an object is placed 10 m away from a human eye, at eye level, what's the smallest height the object could be for the human eye to resolve the image, if light of 550 nm was used to view the object?

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The human eye has a pupil of about 12 mm in diameter. If an object is placed 10 m away from a human eye, at eye level, what's the smallest height the object could be for the human eye to resolve the image, if light of 550 nm was used to view the object?

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