Your task in physics lab is to make a microscope from two lenses. One lens has a

Question

Your task in physics lab is to make a microscope from two lenses. One lens has a focal length of 12 cm , the other a focal length of 3.0 cm . You plan to use the more powerful lens as the objective, and you want its image to be

16 cm from the lens, as in a standard biological microscope.

Part A: How far should the objective lens be from the object to produce a real image 16 cm from the objective? Which I got d=3.7 which was correc, but I can't solve for part B which is,

Part B: What will be the magnification of your microscope?

Explanation / Answer

Total magnification of compound microscope = linear magnification of objective*angular magnification of eyepiece

M = Mo*Me = (d/Fo)*(25/Fe) = (3.7/3)*(25/12) = 2.57 (Ans)

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