Question: A microscope uses an eyepiece with a focal length of 1.40 cm using a normal eye with a final image at infinity, the tube length

A microscope uses an eyepiece with a focal length of 1.40 cm using a normal eye with a final image at infinity, the tube length is 17.5 cm and the focal length of the objective length is 0.65 cm. What is the magnification of the microscope?

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