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A microscope has an objective lens with a focal length of 12.0 mm. A small object is placed 0.8 mm beyond the focal point of the objective lens.
(a) At what distance from the objective lens does a real image of the object form?
(b) What is the magnification of the real image?
(c) If an eyepiece with a focal length of 2.5 cm is used, with a final image at infinity, what will be the overall angular magnification of the object?