What are the focal lengths for the two different colors

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The index of dispersion for flint glass is 1.615 for light ofwavelength 700 nm and 1.665 for light of wavelength 400nm. A thin flint glass lens has a bothsurfaces convex outward with a radius of curvature of 50cm. What are the focal lengths for the two different colors?

Reference no: EM13648973

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