The Focal Lengths of the Objective and Eyepiece in a Compound

question 82

Multiple Choice

The focal lengths of the objective and eyepiece in a compound microscope are 0.8 cm and 2.5 cm, respectively. The image formed by the objective is 16 cm from it and the final image is 25 cm from the eye. What is the total magnification?

• A) -19.0
• B) -11.0
• C) -2.0
• D) -100
• E) -200

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