Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
25
Optical Instruments
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25-1: Camera
25-2: Eye and Corrective Lenses
25-3: Magnifying Glass
25-4: Telescopes
25-5: Microscopes
25-6: Lens Aberrations
25-7 to 25-9: Resolution Limits
25-11: X-Ray Diffraction
25-12: Imaging by Tomography

Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 13
Q
Reading glasses of what power are needed for a person whose near point is 125 cm, so that he can read a computer screen at 55 cm? Assume a lens–eye distance of 1.8 cm.
A
1.1 D

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