All Answers and Illustrations
Given
half-life and energy of Tc-99m - ANSWER ✔✔T= 6hrs
140keV
half-life and energy of Mo-99 - ANSWER ✔✔T=66hrs
740keV and 778keV
half-life and energy of I-131 - ANSWER ✔✔T=8 days
364keV
half-life and energy of I-123 - ANSWER ✔✔T=13hrs
,159keV
half-life and energy of In-111 - ANSWER ✔✔T=67hrs
171keV and 245keV
Half life and energy of Xenon-133? - ANSWER ✔✔5 days.
81 keV.
half-life and energy of Tl-201 - ANSWER ✔✔T=3 days
69-82keV (Hg x-rays), 135keV, 167keV
half-life and energy of Ga-67 - ANSWER ✔✔T=3.26days
92keV, 185keV, 300keV, 394keV
half-life and energy of Y90 - ANSWER ✔✔64hrs
Beta
half-life and energy of 18-F - ANSWER ✔✔T=110mins
511keV
half-life and energy of C-11 - ANSWER ✔✔T=20mins
511
half-life and energy of N-13 - ANSWER ✔✔T=10min
, half-life and energy of O-15 - ANSWER ✔✔T=2 min
half-life and energy of Ga-68 - ANSWER ✔✔68mins
half-life and energy of Rb-82 - ANSWER ✔✔76sec
half-life and energy of Cs-137 - ANSWER ✔✔30years
662keV
half-life and energy of Co-57 - ANSWER ✔✔272days
122keV and 136keV
1mCi = ? Bq - ANSWER ✔✔37MBq
100 REM = __________ Sv - ANSWER ✔✔1 Sv
100 Rad = _____ Gray - ANSWER ✔✔1 Gy
Exposure Rate Equation - ANSWER ✔✔Exposure Rate = Activity x
Exposure Rate Constant x 1/d^2
units are cm^2mR/mCihr
inverse square law - ANSWER ✔✔i1d1^2 = i2d2^2
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