Problem: Without corrective lenses, a farsighted person can't focus clearly on objects that are closer to her eye than 75.0 cm. What is the focal length of the contact lens that will allow this person to see objects clearly that are 25.0 cm from her eye? A) +75.0 cm B) -75.0 cm C) +18.75 cm D) -18.75 cm E) +37.5 cm F) -37.5 cm G) None of the above answers

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Problem Details

Without corrective lenses, a farsighted person can't focus clearly on objects that are closer to her eye than 75.0 cm. What is the focal length of the contact lens that will allow this person to see objects clearly that are 25.0 cm from her eye?

A) +75.0 cm

B) -75.0 cm

C) +18.75 cm

D) -18.75 cm

E) +37.5 cm

F) -37.5 cm

G) None of the above answers

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