What should be the focal length of an eye glass lens

Reference no: EM13559621

A retired bank president can easily read the fine print of thefinancial page when the newspaper is held no closer than at arm'slength, 57.0 cm from the eye. What should be the focal length of an eye glass lens that will allow herto read at the more comfortable distance (object-lens distance) of24.0 cm?

Reference no: EM13559621

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