The Focal Lengths of the Objective Lens and the Eyepiece

question 101

Multiple Choice

The focal lengths of the objective lens and the eyepiece of a microscope are 0.50 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)0.31 cm
• B)0.42 cm
• C)0.49 cm
• D)0.57 cm
• E)0.73 cm

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