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Unformatted text preview: The eye is fixed – it’s the lens that accommodates. Therefore the value of di is fixed as the distance to the retina. You can assume a value for it but it is not needed because it is common to both the NP and the FP. 17 (15 points). A convex and concave lens are oriented as shown. The lenses are separated by 30 cm and each has a focal length of 15 cm. An object is placed 25 cm to the left of the concave lens. Draw a P
ray and M
ray diagram that shows the image created by the concave lens and the final image created by the convex lens (hint: t...
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 Spring '14

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