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Two white dots are 1 mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. What is the maximum distance from the black paper at which these dots can be resolved by the eye? (λ=500 nm)

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Two white dots are 1 mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. What is the maximum distance from the black paper at which these dots can be resolved by the eye? (λ=500 nm)



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