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Thin Lens Equation Practice Test
•3 QuestionsQuestion
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Q1
How far from a converging lens must an object be placed to produce an image that is NOT real and inverted? Given the answer as 
in terms of the focal length, 
.
How far from a converging lens must an object be placed to produce an image that is NOT real and inverted? Given the answer as
. What focal length eyeglass lenses are needed in order to focus on a newspaper held at 
from the person's eyes, if the glasses are worn 
from his eyes?