For a human eye with a pupil diameter (aperture diameter D) of 0.005 meters, and a focal length of 0.022 meters, there w

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For a human eye with a pupil diameter (aperture diameter D) of
0.005 meters, and a focal length of 0.022 meters, there will be a
resolution limit due to diffraction at 0.54 microns (10^-6 meters)
wavelength. If we space light-sensitive cells on the retina at this
spacing, how many retina cells per meter (of retina) are there?
_______ cells/meter. Now suppose there are giants which are
exactly twice the size of humans in each dimension. So giant eyes
have pupils of 0.01 meters, and a focal length of 0.044 meters. How
many retina cells per meter should the giants have? __________
cells/meter