Treat Each of Your Eyes as a Circular Aperture of Diameter

Short Answer

Treat each of your eyes as a circular aperture of diameter 3.5 mm.Light of wavelength
500 nm is used to view two point sources that are 894 m distant from you.How far apart must these two point sources be if they are to be just resolved by your eye? Assume that the resolution is diffraction limited and use Rayleigh's criterion.