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(Part A) The medium-power objective lens in a laboratory microscope has a focal length fobjective =...

(Part A) The medium-power objective lens in a laboratory microscope has a focal length fobjective = 4.00 mm . If this lens produces a lateral magnification of -37.0, what is its "working distance"; that is, what is the distance from the object to the objective lens? (answer in mm)

(Part B) What is the focal length of an eyepiece lens that will provide an overall magnification of -130? Assume student's near-point distance is N = 25 cm. (answer in cm)

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