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One side of radius of curvature R2=120cm of a convexo-convex lens of material of refractive index n=1.5 and focal ength f1=40 cm is silvered. It is placed on a horizontal surface with the silvered surface in contact with it.Another convex lens of focal length f2=20cm is fixed coaxially d=10cm above 1st lens.A point object on axis give rise to an image coincident with it.Find the height of the object above the upper lens


One side of radius of curvature R2=120cm of a convexo-convex lens of material of refractive index n=1.5 and focal ength f1=40 cm is silvered. It is placed on a horizontal surface with the silvered surface in contact with it.Another convex lens of focal length f2=20cm is fixed coaxially d=10cm above 1st lens.A point object on axis give rise to an image coincident with it.Find the height of the object above the upper lens


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