A custom made compound microscope (see the figure below) with an objective lens

Question

A custom made compound microscope (see the figure below) with an objective lens with a focal length of 3.75 cm, an eyepiece lens with a focal length of 6.25 cm and a barrel length of 26.5 cm is used to view a 0.100 cm specimen mounted on a microscope slide. Since the microscope is custom made, it varies slightly from a standard production microscope in that the object distance for the objective is so much larger than the focal length of the objective that we cannot set the object distance for the objective equal to the focal length of the objective. However the image formed by the objective is close enough to the focal point of the eyepiece that we are justified in setting the object distance for the eyepiece equal to the focal length of the eyepiece. Finally, the microscope is being used by a lab technician with a near point of 31.5 cm.

Determine the following.

(a) distance the specimen (object) is mounted from the objective lens
cm

(b) magnification of the objective lens


(c) magnification of the eyepiece lens

Explanation / Answer

solution in progress

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