A nearsighted person has a far point that is 525 cm from her eye. What type of lens is used to correct nearsightedness (convex or concave)? If the lens in a pair of glasses is 2.00 cm in front of this person's eye, what focal (a) (b) length must it have to allow her to focus on distant objects? (c) Calculate the refractive power of the lens in diopters.
A nearsighted person has a far point that is 525 cm from her eye. What type of lens is used to correct nearsightedness (convex or concave)? If the lens in a pair of glasses is 2.00 cm in front of this person's eye, what focal (a) (b) length must it have to allow her to focus on distant objects? (c) Calculate the refractive power of the lens in diopters.
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Transcribed Image Text:A nearsighted person has a far point that is 525 cm from her eye.
What type of lens is used to correct nearsightedness (convex or concave)?
If the lens in a pair of glasses is 2.00 cm in front of this person's eye, what focal
(a)
(b)
length must it have to allow her to focus on distant objects?
(c)
Calculate the refractive power of the lens in diopters.
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