We can model the eye as a sphere 2.50 cm in diameter with a thin lens in the front and the retina along the back surface. A 30 year-old person should be able to focus on objects from her near point (see the table (Figure 1)
) up to infinity.What is the range of the effective focal length of the lens of the eye for this person?
Answer in the order indicated. Separate your answers with a comma.
fmin,fmax =
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