derive The Lens Maker Formula for double convex lens for prove that 1 by f is equal to minus 1 into 1 by 1 - 1 by 2
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Answers. Lens makers formula: It is a relation between the focal length of a lens to the refractive index of its material and the radii of curvature of its two surfaces. It is so called because it is used by lens manufacturers to make lenses of particular power from the glass of given refractive index.
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