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<Practice Final
Problem 34.98
Part A
13 of 20
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Review Constants
A certain very nearsighted person cannot focus on anything farther
than 36.0 cm from the eye Consider the simplified model of the eye
In a simplified model of the human eye, the aqueous and vitreous
humors and the lens all have a refractive index of 1.40, and all the
refraction occurs at the cornea, whose vertex is 2.60 cm from the
retina
If the radius of curvature of the comea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described
before, what is the distance from the cornea vertex to the retina?
Express your answer with the appropriate units.
НА
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Part B
What does this tell you about the shape of the nearsighted eye?
O This distance is shorter than for the normal eye
This distance is greater than for the normal eye.
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