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Thin Lens Equation Practice Test
•2 QuestionsQuestion
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Q1
Suppose a student who was farsighted wears glasses that allows him to read at a distance of 
from his eyes to the book. His near-point distance is 
. If his glasses are 
from his eyes, what is the refractive power of his glasses lenses?
Suppose a student who was farsighted wears glasses that allows him to read at a distance of
away from a converging lens. An upside down image of the flower is measured as 
tall and at a distance of 
from the lens. Find the focal length of the lens and the real height of the flower.