3. A lesion in the shape of a rectangular box is in a 10-cm-thick sample. The lesion has a height of 1 cm and a squared

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3 A Lesion In The Shape Of A Rectangular Box Is In A 10 Cm Thick Sample The Lesion Has A Height Of 1 Cm And A Squared 1 (46.81 KiB) Viewed 66 times

3. A lesion in the shape of a rectangular box is in a 10-cm-thick sample. The lesion has a height of 1 cm and a squared base. Assume the height direction of the lesion is parallel to the x-ray propagation direction and the thickness direction of the sample. The incident X-ray photon has a density of 2500/cm². Estimate the smallest lesion size when the lesion is still visible in the radiographic projection image. Assume that the attenuation coefficient of the lesion and the sample background are 0.56 cm-and 0.26 cm-", respectively.