An optometrist determines that a patient cannot clearly see any object that lies closer than 53.0 cm to the patient's eye. (a) Which of the following terms best describes this distance? focal length magnification O far point near point (b) The patient needs to be able to clearly see objects that are just 27.0 cm distant. A contact lens is prescribed. What focal length (in cm) should this lens have? Assume the lens can be modeled as an ideal thin lens, which lies adjacent to the eye. cm (c) What is the power, P, of the contact lens (in diopters)? diopters

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An optometrist determines that a patient cannot clearly see any object that lies closer than 53.0 cm to the patient's eye.
(a) Which of the following terms best describes this distance?
focal length
magnification
far point
near point
(b) The patient needs to be able to clearly see objects that are just 27.0 cm distant. A contact lens is prescribed. What focal
length (in cm) should this lens have? Assume the lens can be modeled as an ideal thin lens, which lies adjacent to the eye.
cm
(c) What is the power, P, of the contact lens (in diopters)?
diopters
Transcribed Image Text:An optometrist determines that a patient cannot clearly see any object that lies closer than 53.0 cm to the patient's eye. (a) Which of the following terms best describes this distance? focal length magnification far point near point (b) The patient needs to be able to clearly see objects that are just 27.0 cm distant. A contact lens is prescribed. What focal length (in cm) should this lens have? Assume the lens can be modeled as an ideal thin lens, which lies adjacent to the eye. cm (c) What is the power, P, of the contact lens (in diopters)? diopters
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