Youre viewing a pair of green wavelength550nm butterflies, Ask an Expert

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You're viewing a pair of green (wavelength=550nm) butterflies on a tree branch. It's mid-day, so its bright outside and your pupils are contracted to D=2 mm.

a) What is Rayleigh's minimum angle for resolution?

b) If the butterflies are separated by 0.05 m, what is the greatest distance your eye can be from them and just barely resolve them as two separate objects?

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