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Two point white dots are 1mm apart on a black paper. They are viewed by eye of pupil diameter 3 mm. Approximately, what is the maximum distance at which these dots can be resolved by the eye? (Take   500nm)

Answer» TION:X/D = 1.22 λ/ D1 MM / D = 1.22 x 500 x 10⁻⁹ / 3 mmD = 5m


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