(I) A 720 X microscope uses a 0.40-cm-focal-length
Chapter 25, Problem 44P(choose chapter or problem)
Problem 44P
(I) A 720 X microscope uses a 0.40-cm-focal-length objective lens. If the barrel length is 17.5 cm, what is the focal length of the eyepiece? Assume a normal eye and that the final image is at infinity.
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