What focal length lenses are needed to correct his vision

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Reference no: EM13516368

Ordinary glasses are worn in front of the eye and usually 2.00{\rm cm} in front of the eyeball. A certain person can see distant objects well, but his near point is 56.0{\rm cm} from his eyes instead of the usual 25.0{\rm cm} . Suppose that this person needs ordinary glasses.

Part A What focal length lenses are needed to correct his vision?

Reference no: EM13516368

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