Examine the focal length of the glasses needed if the glass

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A farsighted person has a nearpoint of 50 cm from her eyes. She wants glasses that will let her see objects at a distance of only 25 cm from her eyes. Determine the focal length of the glasses needed if the glasses are 2 cm and 3 cm from her eyes. (Remember, a converging lens has a positive focal length and a diverging lens has a negative focal length.)

Reference no: EM13115486

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