An examination reveals that a patient cannot clearly see any object that lies closer than 52.0 cm to the patient's eye. (a) Which of the following terms best describes this distance? near pointfar point focal lengthmagnification (b) The patient needs to be able to clearly see objects that are just 23.0 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)?
An examination reveals that a patient cannot clearly see any object that lies closer than 52.0 cm to the patient's eye. (a) Which of the following terms best describes this distance? near pointfar point focal lengthmagnification (b) The patient needs to be able to clearly see objects that are just 23.0 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)?
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Question
An examination reveals that a patient cannot clearly see any object that lies closer than 52.0 cm to the patient's eye.
(a)
Which of the following terms best describes this distance?
near pointfar point focal lengthmagnification
(b)
The patient needs to be able to clearly see objects that are just 23.0 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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