question archive Anna holds a 14 D magnifier directly in front of her eye to get a close look at a 19-mm -diameter penny
Subject:PhysicsPrice:3.85 Bought3
Anna holds a 14 D magnifier directly in front of her eye to get a close look at a 19-mm -diameter penny. Assume a typical 25 cm near point and a distance of 1.7 cm between the lens and the retina.
What is the closest possible distance that she can hold the coin to have it appear in focus?
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