What focal length lenses does he require at age forty-five

Reference no: EM13340693

At age forty, a man requires contact lenses (f = 58.0 cm) to read a book held 25.0 cm from his eyes. At age forty-five, he finds that while wearing these contacts he must now hold a book 29.0 cm from his eyes. (a) By what distance has his near point changed? (b) What focal length lenses does he require at age forty-five to read a book at 25.0 cm?

Reference no: EM13340693

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