Unformatted text preview: 9. Why do we have contrast in an image? How does that happen? 10.What would the film look like if all of the x-rays interacted with the emulsion and the film was then processed? 11.Is it really the x-ray that interacts with the film emulsion to produce the image? 12.What color of light do rare earth crystals typically emit?...
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- Winter '11
- Medical imaging, Photographic film, radiographic density