A man requires reading glasses with +2.00-D refractive power to read a book held 40.0 cm away with a relaxed eye. Assume the glasses are 1.95 cm from his eyes. His uncorrected near point is 1.00 m. If one of the lenses is the one for distance vision, what should the refractive power of the other lens (for close-up vision) in his bifocals be to give him clear vision from 25.0 cm to infinity?
A man requires reading glasses with +2.00-D refractive power to read a book held 40.0 cm away with a relaxed eye. Assume the glasses are 1.95 cm from his eyes. His uncorrected near point is 1.00 m. If one of the lenses is the one for distance vision, what should the refractive power of the other lens (for close-up vision) in his bifocals be to give him clear vision from 25.0 cm to infinity?
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter26: Image Formation By Mirrors And Lenses
Section: Chapter Questions
Problem 5OQ
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A man requires reading glasses with +2.00-D refractive power to read a book held 40.0 cm away with a relaxed eye. Assume the glasses are 1.95 cm from his eyes.
His uncorrected near point is 1.00 m. If one of the lenses is the one for distance vision, what should the refractive power of the other lens (for close-up vision) in his bifocals be to give him clear vision from 25.0 cm to infinity?
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