A 20 x microscope objective is designed for use in a
A 20 x microscope objective is designed for use in a microscope with a 17 cm tube length. The objective is marked NA = 0.45. What is the diameter of the objective lens?
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a 20 x microscope objective is designed for use in a microscope with a 17 cm tube length the objective is marked na
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Problem: Evaluating access to medical health services to commercial sex workers in Hopley Zimbabwe