A Compound Microscope Has an Objective with a Focal Length

question 34

Multiple Choice

A compound microscope has an objective with a focal length of 3.0 mm and an eyepiece with a focal length of 3.50 cm. The object is placed 3.8 mm from the objective. What is the magnification of the microscope?

• A)-27
• B)+27
• C)-7
• D)+7

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