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)
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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)
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Explanation:
x/D = 1.22 λ/ d
1 mm / D = 1.22 x 500 x 10⁻⁹ / 3 mm
D = 5m