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Category > Engineering Posted 01 Jun 2017 My Price 7.00

A material is found to have a tenth-thickness of 2.3 cm for 1.25-MeV gamma rays

3.   A material is found to have a tenth-thickness of 2.3 cm for 1.25-MeV gamma rays. (a) What is the linear attenuation coefficient for this material?  (b) What is the half-thickness? (c) What is the mean-free-path length for 1.25-MeV photons in this material?

4.   In natural uranium, 0.720% of the  atoms  are the isotope  235 U,  0.0055% are 234 U, and the remainder 238 U. From the data in Table C.1, what is the total linear interaction coefficient (macroscopic cross section) for a thermal  neutron in natural uranium? What is the total macroscopic fission cross section for thermal neutrons?

 

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Alpha Geek
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Status NEW Posted 01 Jun 2017 09:06 AM My Price 7.00

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1496309990-1489627_1_636318098710005665_B.pdf
1496309995-1489627_2_636318098710005665_A.pdf
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