A person wears bifocal glasses and is reading a newspaper a distance of 20.0 cm away.The lower part of the lens is converging for reading and has a focal length of 70.0 cm.The upper part of the lens is diverging for seeing at distances far away and has a focal length of 50.0 cm.What is the uncorrected near point for the person?
A) 20.8 cm
B) 28.0 cm
C) 70.0 cm
D) 86.2 cm
E) 91.3 cm
Correct Answer:
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