11. How would an increase in x-ray tube filtration (beyond the standard 2.5 mm) affect IR exposure and contrast (increase or decrease)? (2 points)
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5 mm would result in more absorption of low energy X-ray photons before they hit the target. Show more…
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Deepanshu K.
(II) (a) Suppose for a conventional X-ray image that the X-ray beam consists of parallel rays. What would be the magnification of the image? (b) Suppose, instead, that the X-rays come from a point source (as in Fig. 21$)$ that is 15 $\mathrm{cm}$ in front of a human body which is 25 $\mathrm{cm}$ thick, and the film is pressed against the person's back. Determine and discuss the range of magnifications that result.
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