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Giancoli 7th Edition textbook cover
Giancoli's Physics: Principles with Applications, 7th Edition
25
Optical Instruments
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25-1: Camera
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25-2: Eye and Corrective Lenses
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25-3: Magnifying Glass
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25-4: Telescopes
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25-5: Microscopes
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25-6: Lens Aberrations
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25-7 to 25-9: Resolution Limits
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25-11: X-Ray Diffraction
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25-12: Imaging by Tomography
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Question by Giancoli, Douglas C., Physics: Principles with Applications, 7th Ed., ©2014, Reprinted by permission of Pearson Education Inc., New York.
Problem 63
Q
  1. Suppose for a conventional X-ray image that the X-ray beam consists of parallel rays. What would be the magnification of the image?
  2. Suppose, instead, that the X-rays come from a point source (as in Fig. 25–41) that is 15 cm in front of a human body which is 25 cm thick, and the film is pressed against the person’s back. Determine and discuss the range of magnifications that result.
Conventional X-ray imaging, which is essentially shadowing.
Figure 25-41 Conventional X-ray imaging, which is essentially shadowing.
A
  1. M=1M=1
  2. Mfront=2.7,Mback=1M_{front} = 2.7, M_{back} = 1
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