The Focal Lengths of the Objective and the Eyepiece in a Microscope

question 78

Multiple Choice

The focal lengths of the objective and the eyepiece in a microscope are 0.29 cm and 2.5 cm, respectively. An object is placed 0.3 cm from the objective. The image of this object is viewed with the eyepiece adjusted for minimum eyestrain. What is the distance between the objective and the eyepiece?

• A) 9.85 cm
• B) 10.1 cm
• C) 10.4 cm
• D) 11.2 cm
• E) 11.5 cm

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