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A Flux of 1014 N/m2 · S Is Incident on an

Question 43

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A flux of 1014 n/m2 · s is incident on an A flux of 10<sup>14</sup> n/m<sup>2</sup> · s is incident on an foil that is 0.10 cm thick.The density of aluminum is 2.7 \times 10<sup>3</sup> kg/m<sup>3</sup>.The number of neutrons reacting with the aluminum is 10<sup>6</sup> n/m<sup>2</sup> · s.The cross section for this reaction is approximately A) 10<sup>4</sup> barn B) 10<sup>-6</sup> m<sup>2 </sup> C) 1.7 \times 10<sup>-34</sup> m<sup>2 </sup> D) 6.6 \times 10<sup>-32</sup> m<sup>2 </sup> foil that is 0.10 cm thick.The density of aluminum is 2.7 ×\times 103 kg/m3.The number of neutrons reacting with the aluminum is 106 n/m2 · s.The cross section for this reaction is approximately


A) 104 barn
B) 10-6 m2
C) 1.7 ×\times 10-34 m2
D) 6.6 ×\times 10-32 m2

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