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Part A
A microscope uses an eyepiece with a focal length of 1.70 cm. Using a normal eye with a final image at
infinity, the barrel length is 19.0 cm and the focal length of the objective lens is 0.75 cm. What is the
magnification of the microscope?
Express your answer using two significant figures.
xa
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Xh
M = 1.4.10²
a
b
√x x x
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