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337 Chapter 25 Optical Instruments 25.36 (a) The wavelength of the light within the eye is n n λ = . Thus, the limiting angle of resolution for light passing through the pupil (a circular aperture with diameter 2.00 mm D = ), is ( ) () 9 4 min 3 500 10 m 1.22 2.29 10 rad 1.33 2.00 10 m n Dn D θ − − − × == = = × × (b) From sr = , the distance from the eye that two points separated by a distance 1.00 cm s = will intercept this minimum angle of resolution is
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