An optometrist prescribes contact lenses

Reference no: EM13646666

An optometrist prescribes contact lenses that have a focal length of 50.0cm. (a) Are the lenses converging or diverging? (b) Is the person who wears them near-sighted or far-sighted? (c) Where is this person's unaided near point located if we assume that the above lenses are designed such that objects no closer than 30cm can be seen clearly?

Reference no: EM13646666

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