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A double convex lens has a focal length of 40 cm. If the radius of curvature of its refracting surfaces are 10 cm and 20 cm, find the refractive index of the material of the lens. |
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Answer» A double convex lens has a focal length of 40 cm. If the radius of curvature of its refracting surfaces are 10 cm and 20 cm, find the refractive index of the material of the lens. |
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