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X-ray Intensity

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In figure 1.40 (see attachment), calculate the X-ray intensity, as a function of the incident intensity I_o, that reaches the film for each of the three X-ray beams. The dark-shaded area represents bone and the light-shaded area represents tissue. The linear attenuation coefficients at the effective X-ray energy of 68 KeV are 10 and 1 cm^-1 for bone and tissue, respectively.

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This is a problem on solving the X-ray intensity using the incident intensity.

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