If the distance from the lens system (cornea + lens) to the retina is \( 2.00 \mathrm{~cm} \), s...

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If the distance from the lens system (cornea + lens) to the retina is \( 2.00 \mathrm{~cm} \), show that the focal length of the lens system must vary between \( 1.85 \mathrm{~cm} \) and \( 2.00 \mathrm{~cm} \) to see objects from \( 25.0 \mathrm{~cm} \) to infinity.
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