Question: A senior citizen wears bifocals (Fig. 25.23) in which the top half of the lens has a focal length of 0.850 and the bottom

A senior citizen wears bifocals (Fig. 25.23) in which the top half of the lens has a focal length of – 0.850 and the bottom half of the lens has a focal length of + 0.500. What are this person’s near point and far point?

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