An optometrist determines that a patient cannot clearly see any object that lies closer than 54.8 cm to the patient's eye. (a) Which of the following terms best describes this distance? O near point O magnification O far point O focal length (b) The patient needs to be able to clearly see objects that are just 27.0 cm distant. A contact lens is called for. 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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Chapter1: Units, Trigonometry. And Vectors
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An optometrist determines that a patient cannot clearly see any object that lies closer than 54.8 cm to the patient's eye.
(a) Which of the following terms best describes this distance?
O near point
O magnification
O far point
O focal length
(b) The patient needs to be able to clearly see objects that are just 27.0 cm distant. A contact lens is called for. 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 54.8 cm to the patient's eye. (a) Which of the following terms best describes this distance? O near point O magnification O far point O focal length (b) The patient needs to be able to clearly see objects that are just 27.0 cm distant. A contact lens is called for. 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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