354CHAPTER 25 25.35The limit of resolution in air is min1.220.60 radairDλθµ==In oil, the limiting angle of resolution will be ( )min220.127.116.11oiloiloiloilnDD Dθ=nor minmin0.60 rad0.40 rad1.5airoiloilnµ=25.36(a) The wavelength of the light within the eye is nn=. Thus, the limiting angle of resolution for light passing through the pupil (a circular aperture with diameter ), is 2.00 mmD=( )()94350010m18.104.22.16810rad1.332.0010mnDnD−−−×== ==××min1.22(b) From sr=00 cm, the distance from the eye that two points separated by a distance will intercept this minimum angle of resolution is 1.s=3-41.00 cm4.3610 cm43.6 m2.2910 rad=×=×minsr25.37The minimum angle of resolution when light of 500 nm wavelength passes through a 20-inch diameter circular aperture is
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