What is the power of the new lenses- eye glasses with lenses

Reference no: EM13655561

A middle-aged man starts to wear eye glasses with lenses of1.5 D that allow him to read a book held as close as25 {\rm cm}. Several years later, he finds that he must hold a book no closer than 33 cm to read it clearly with the same glasses, so he gets new glasses. What is the power of the new lenses?

Reference no: EM13655561

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What is the power of the new lenses- eye glasses with lenses : A middle-aged man starts to wear eye glasses with lenses of1.5 D that allow him to read a book held as close as25 {\rm cm}. Several years later, hefinds that he must hold a book no closer than 33 cm to read it clearly with the same glasses, so he..

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