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Consider a source of 198Au with activity concentration of 2Ci/kg distributed uniformly in water sphere of 3 cm radiųs. Use the decay scheme for 19AU (half life 2.7 days) shown in the figure and the following data only to answer the questions below. 198Au 0.985% 1087.7 keV 98.99% 411.8 kev 198H9 A G Au) = -29.59 MeV, A (98H9) = -30.97 MeV %3D The gamma and electron energies are as follows: y: 0.412 MeV (96%), 0.676 (1%) e:0.329,0.398 MeV a) What is the mass of the sample? (4 points) b) Find the average energy of the 99% and 1% beta particles. (3 points) c) Estimate the probability of Internal conversion and calculate the energies of the K- and L-shell X-rays. (2

Consider a source of 198Au with activity concentration of 2Ci/kg distributed uniformly in water sphere of 3 cm radiųs. Use the decay scheme for 19AU (half life 2.7 days) shown in the figure and the following data only to answer the questions below. 198Au 0.985% 1087.7 keV 98.99% 411.8 kev 198H9 A G Au) = -29.59 MeV, A (98H9) = -30.97 MeV %3D The gamma and electron energies are as follows: y: 0.412 MeV (96%), 0.676 (1%) e:0.329,0.398 MeV a) What is the mass of the sample? (4 points) b) Find the average energy of the 99% and 1% beta particles. (3 points) c) Estimate the probability of Internal conversion and calculate the energies of the K- and L-shell X-rays. (2

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Consider a source of 198Au with activity concentration of 2Ci/kg distributed uniformly in water sphere of 3 cm radius. Use the decay scheme for Au (half life 2.7 days) shown in the figure and the following data only to answer the 198 questions below. 198AU 0.985% 1087.7 keV 98.99% 411.8 kev 198H9 A G Au) = -29.59 MeV, A (98H9) = -30.97 MeV The gamma and electron energies are as follows: y: 0.412 MeV (96%), 0.676 (1%) e:0.329,0.398 MeV a) What is the mass of the sample? (4 points) b) Find the average energy of the 99% and 1% beta particles. (3 points) c) Estimate the probability of Internal conversion and calculate the energies of the K- and L-shell X-rays. (2
Transcribed Image Text:Consider a source of 198Au with activity concentration of 2Ci/kg distributed uniformly in water sphere of 3 cm radius. Use the decay scheme for Au (half life 2.7 days) shown in the figure and the following data only to answer the 198 questions below. 198AU 0.985% 1087.7 keV 98.99% 411.8 kev 198H9 A G Au) = -29.59 MeV, A (98H9) = -30.97 MeV The gamma and electron energies are as follows: y: 0.412 MeV (96%), 0.676 (1%) e:0.329,0.398 MeV a) What is the mass of the sample? (4 points) b) Find the average energy of the 99% and 1% beta particles. (3 points) c) Estimate the probability of Internal conversion and calculate the energies of the K- and L-shell X-rays. (2
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