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
D
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