If air is 80% N15 and 20% O16. Using the data below, calculate the average distance a thermal neutron travels in air before having an interaction. Air density = 1.202 gm/cm3 %3D 016 atomic wt = 15.994 gm N15 atomic wt 14.0067 gm N15 total microscopic cross o16 total microscopic cross section = 4.03 b 12.20 b %! section %3D

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If air is 80% N15 and 20% O16. Using the data below, calculate the average distance
a thermal neutron travels in air before having an interaction.
Air density = 1.202 gm/cm3
%3D
o16 atomic wt 15.994 gm
N15 atomic wt = 14.0067 gm
%3!
N15 total microscopic cross
016 total microscopic cross section = 4.03 b
12.20 b
%3D
section
%3D
129.328 cm
1.855 cm
123.762 cm
12.653 cm
Transcribed Image Text:If air is 80% N15 and 20% O16. Using the data below, calculate the average distance a thermal neutron travels in air before having an interaction. Air density = 1.202 gm/cm3 %3D o16 atomic wt 15.994 gm N15 atomic wt = 14.0067 gm %3! N15 total microscopic cross 016 total microscopic cross section = 4.03 b 12.20 b %3D section %3D 129.328 cm 1.855 cm 123.762 cm 12.653 cm
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