What is the focal length of the objective lens
The distance between the objective lens and the eyepiece of a microscope is 20 cm. If the eyepiece has a magnification of 20 and the total magnification of the microscope is |m| = 110, what is the focal length of the objective lens?
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If the eyepiece has a magnification of 20 and the total magnification of the microscope is |m| = 110, what is the focal length of the objective lens?
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