Alens that has a focal length equal to is used as a simple
Chapter , Problem 76(choose chapter or problem)
Alens that has a focal length equal to is used as a simple magnifier by one person whose near point is and by another person whose near point is (a) What is the effective magnifying power of the lens for each person? (b) Compare the sizes of the images on the retinas when each person looks at the same object with the magnifier.
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