Refraction of light (Question 3 (10 Marks)) — UPSC Physics Optional IFoS 2019 Paper I

It is required that a real image twice the size of the object be formed by a thin plano-convex lens. If the lens has a radius of curvature of 50\text{ cm} and a refractive index of \mu = 1\cdot 5, determine the locations of the object and image with respect to the lens.