- #1

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## Homework Statement

What is the minimum angular separation an eye could resolve when viewing two stars, considering only diffraction effects?

## Homework Equations

θ=(1.22*λ)/D

## The Attempt at a Solution

I tried estimating with λ=550 nm and D=5.0 mm (pupil diameter) which appeared in another problem about viewing stars and got 1.34e-4 rad, but this was incorrect. Our book states the best eye resolution is around 5e-4 rad so I tried that as well, but it wasn't correct either. This problem must want something more concrete than an estimation but I'm not sure where to go with it.