A laboratory rat is exposed to an alpha-radiation sourcewhose activity is 14.3 mCi. (a) What is the activity of theradiation in disintegrations per second? In becquerels? (b)The rat has a mass of 385 g and is exposed to the radiationfor 14.0 s, absorbing 35% of the emitted alpha particles, each having an energy of 9.12 x10-13 J. Calculate theabsorbed dose in millirads and grays. (c) If the RBE of theradiation is 9.5, calculate the effective absorbed dose inmrem and Sv.
A laboratory rat is exposed to an alpha-radiation sourcewhose activity is 14.3 mCi. (a) What is the activity of theradiation in disintegrations per second? In becquerels? (b)The rat has a mass of 385 g and is exposed to the radiationfor 14.0 s, absorbing 35% of the emitted alpha particles, each having an energy of 9.12 x10-13 J. Calculate theabsorbed dose in millirads and grays. (c) If the RBE of theradiation is 9.5, calculate the effective absorbed dose inmrem and Sv.
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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A laboratory rat is exposed to an alpha-radiation source
whose activity is 14.3 mCi. (a) What is the activity of the
radiation in disintegrations per second? In becquerels? (b)
The rat has a mass of 385 g and is exposed to the radiation
for 14.0 s, absorbing 35% of the emitted alpha particles, each having an energy of 9.12 x10-13 J. Calculate the
absorbed dose in millirads and grays. (c) If the RBE of the
radiation is 9.5, calculate the effective absorbed dose in
mrem and Sv.
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