Physics · Optics
A bi-convex lens is constructed using two thin plano-convex lenses. The refractive index of the first lens is 1.5, and that of the second lens is 1.2. Both curved surfaces have the same radius of curvature, R = 14 cm. For this combined lens, when the object distance is 40 cm, determine the image distance (in cm):
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40
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