A Flux of 10¹⁰ N/cm² · S Is Incident on an

question 60

Multiple Choice

A flux of 10¹⁰ n/cm² · s is incident on an foil that is 0.10 cm thick. The density of aluminum is 2.7 g/cm³. The number of neutrons reacting with the aluminum is
10⁴ n/cm² · s. The cross section for this reaction is approximately

• A) 10^-6 m²
• B) 1.7 * 10^-28 cm²
• C) 1 barn
• D) 6.6 * 10^-32 m²
• E) 10⁴ barn

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An influential American writer, reporter, and political commentator known for his works on media and public opinion.

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