Two rays traveling parallel to the principal axis strike a
Chapter , Problem 54(choose chapter or problem)
Two rays traveling parallel to the principal axis strike a large plano-convex lens having a refractive index of 1.60 (Fig. P23.54). If the convex face is spherical, a ray near the edge does not pass through the focal point (spherical aberration occurs). Assume this face has a radius of curvature of R 5 20.0 cm and the two rays are at distances h1 5 0.500 cm and h2 5 12.0 cm from the principal axis. Find the difference Dx in the positions where each crosses the principal axis.
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