A compound microscope has a barrel of length 155 mm. The focal lengths of the objective and the eyepiece are 4.21 mm and 24.5 mm, respectively. Determine the magnitude of the total angular magnification M of the microscope for a person whose near point is 25.0 cm away. M = Is the image seen in the microscope upright or inverted? ◇ inverted O upright

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