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A thin double-convex lens with focal length f is used to magnify the date stamp on an old coin. The numerals in the date stamp have an average height h. The coin is placed at a distance of 3 f f 4 from the lens, and the image is viewed with the eye placed very close to the lens. Assume that the near point of the observer ls dnp. In terms at rinp. and h, determine the (a) image distance, (b) lateral magnication, to) angular magnification, and (d) height of the numerals as viewed through the magnier