The figure below shows a thin-lens representation of a compound microscope (not

Question

The figure below shows a thin-lens representation of a compound microscope (not to scale). The objective produces a real image I of object O just inside the focal point F1 of the eyepiece. Image I then acts as an object for the eyepiece, which produces a virtual final image I that is seen by the observer. Assume that in such a microscope the objective has focal length fob = 4.10 cm and the eyepiece has focal length fey = 8.07 cm. The distance between the lenses is 25.6 cm. (Assume a near point of 25cm.) what is the tube length s? If the image I is to be inside the focal F'1, how far from the objective should the object be? What then is the lateral magnification m of the objective? What then is the angular magnification m? of the eyepiece? What then is the overall magnification M of the microscope?

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