34.94 .. BIO What Is the Smallest Thing We Can See? The smallest object we can resolve with our eye is limited by the si

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34 94 Bio What Is The Smallest Thing We Can See The Smallest Object We Can Resolve With Our Eye Is Limited By The Si 1 (112.67 KiB) Viewed 32 times

34.94 .. BIO What Is the Smallest Thing We Can See? The smallest object we can resolve with our eye is limited by the size of the light receptor cells in the retina. In order for us to distin- guish any detail in an object, its image cannot be any smaller than a single retinal cell. Although the size depends on the type of cell (rod or cone), a diameter of a few microns (μm) is typical near the center of the eye. We shall model the eye as a sphere 2.50 cm in diameter with a single thin lens at the front and the retina at the rear, with light receptor cells 5.0 um in diameter. (a) What is the