Estimate the focal length of the eyepiece

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Reference no: EM13307893

The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. If the microscope is to provide an angular magnification of -85 when used by a person with a normal near point (25 cm from the eye), what must be the focal length of the eyepiece?

Reference no: EM13307893

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