For a microscope objective, if uO = –2.5 cm and vO = 10 cm, what is the focal length fO? - ELECTRONIC DEVICES Quiz | GKFix.in

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Question

For a microscope objective, if uO = –2.5 cm and vO = 10 cm, what is the focal length fO?

A. 1 cm
B. 2 cm
C. 2.5 cm
D. 5 cm