Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. a certain person can see distant objects well, but his near point is 50.0 cm from his eyes instead of the usual 25.0 cm . suppose that this person needs ordinary glasses what focal length lenses are needed to correct his vision ? what is their power in diopters?
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Social Studies, 20.08.2019 06:30, rachellynn02
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Ordinary glasses are worn in front of the eye and usually 2.00 cm in front of the eyeball. a certain...
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