Find focal length of converging lenses in a pair of contacts

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A farsighted person has a near point located 210cm from the eyes. Find the focal length of the converging lenses in a pair of contacts that can be used to read a book held 25 cm from the eyes.

Reference no: EM13998864

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Find focal length of converging lenses in a pair of contacts : A farsighted person has a near point located 210cm from the eyes. Find the focal length of the converging lenses in a pair of contacts that can be used to read a book held 25 cm from the eyes.
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