Question
A person sees clearly wearing eyeglasses that have a power of -3.00 diopters when the lenses are 1.95 cm in front of the eyes. (a).
A person sees clearly wearing eyeglasses that have a power of -3.00 diopters when the lenses are 1.95 cm in front of the eyes.
(a). What is the focal length of the lens? cm
(b). Is the person nearsighted or farsighted? nearsighted O farsighted
(c). If the person wants to switch to contact lenses placed directly on the eyes, what lens power should be prescribed? dioptersrn
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Ans Power of the lenses 300 D a Focal length of the lens 1P F 13 03333 333...
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Physics
Authors: Alan Giambattista, Betty Richardson, Robert Richardson
2nd edition
77339681, 978-0077339685
