Introduction To Health Physics
5th Edition
ISBN: 9780071835275
Author: Johnson, Thomas E. (thomas Edward), Cember, Herman.
Publisher: Mcgraw-hill Education,
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Chapter 5, Problem 5.31P
To determine
The time taken to use 10 % of 113Cd atoms.
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5. The control rods for a certain rector are made of cadmium (10 w/o), indium (15 w/o) and silver (75 w/o).
Calculate the rate at which thermal neutrons are absorbed per gram of this material at a temperature of 400
in 2,200 m/s flux of 5 x 1013 neutrons/cm²-sec.
[The values of ga (400°C) are 2.5589 for Cd (Cadmium), and 1.011 for In (Indium). Silver is a 1/v
absorber. The absorption cross sections are 2459 b for Cd, 193.5 b for In, and 63.6 b for Ag.]
77
BA
9.20 A 1 g sample of 1"N is placed in a neutron howitzer with a flux of 1.50 × 10ª n/
cm2-s for five days. Write out the most probable nuclear reaction. Assuming this
is the only reaction, what percentage (atom!) of the sample was transmuted?
0 21
The fission process in a reactor is represented by the equation below:
U235 + n1 = La148+ Br85 + 3n1.
If the elements in the above equation have the following atomic mass units (a.m.u ):
U235 =235.124, n1 =1.009 La148= 147.96 and Br85 = 84.938.
Given that mass of 1 a.m.u =1.67 x 10 -27 kg and 1.619 x 10-19 J = eV.
235g of Uranium contains 6.03 x 1023 atoms.
a.Calculate the mass of Uranium atom that will be converted into heat energy by the fission process.
b. Calculate the total amount of energy in MeV released during the fission process
c.Calculate the amount of energy in J that can be obtained from one kilogramme of Uranium during a fission process
Chapter 5 Solutions
Introduction To Health Physics
Ch. 5 - Prob. 5.1PCh. 5 - Prob. 5.2PCh. 5 - Prob. 5.3PCh. 5 - Prob. 5.4PCh. 5 - Prob. 5.5PCh. 5 - Prob. 5.6PCh. 5 - Prob. 5.7PCh. 5 - Prob. 5.8PCh. 5 - Prob. 5.9PCh. 5 - Prob. 5.10P
Ch. 5 - Prob. 5.11PCh. 5 - Prob. 5.12PCh. 5 - Prob. 5.13PCh. 5 - Prob. 5.14PCh. 5 - Prob. 5.15PCh. 5 - Prob. 5.16PCh. 5 - Prob. 5.17PCh. 5 - Prob. 5.18PCh. 5 - Prob. 5.19PCh. 5 - Prob. 5.20PCh. 5 - Calculate the probability that a 2-MeV photon in a...Ch. 5 - Prob. 5.22PCh. 5 - Prob. 5.23PCh. 5 - Prob. 5.24PCh. 5 - Prob. 5.25PCh. 5 - Prob. 5.26PCh. 5 - Prob. 5.27PCh. 5 - Prob. 5.28PCh. 5 - Prob. 5.29PCh. 5 - Prob. 5.30PCh. 5 - Prob. 5.31PCh. 5 - Prob. 5.32PCh. 5 - Prob. 5.33PCh. 5 - Prob. 5.34PCh. 5 - Prob. 5.35PCh. 5 - Prob. 5.36PCh. 5 - Prob. 5.37PCh. 5 - Prob. 5.38PCh. 5 - Prob. 5.39PCh. 5 - Prob. 5.40PCh. 5 - A 1-M solution of boric acid, H3BO3 , is...Ch. 5 - Prob. 5.42PCh. 5 - Prob. 5.43PCh. 5 - Prob. 5.44PCh. 5 - Prob. 5.45PCh. 5 - Prob. 5.46PCh. 5 - Prob. 5.47PCh. 5 - Prob. 5.49PCh. 5 - Prob. 5.50PCh. 5 - Prob. 5.54PCh. 5 - What is the range in tissue of the beta particles...Ch. 5 - Prob. 5.56P
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