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

question 6

Multiple Choice

The focal lengths of the objective and the eyepiece of a microscope are 0.5 cm and 2.0 cm, respectively, and their separation adjusted for minimum eyestrain is 6.0 cm. If the microscope is focused on a small object, what is the distance between the object and the objective lens?

• A) 0.6 cm
• B) 0.3 cm
• C) 0.4 cm
• D) 0.8 cm
• E) 0.7 cm

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