beam of 2 Mev neutrons is incident on a slab of heavy water (D2O). The total cross-sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively. A) What is the macroscopic total cross section of D2O at 2 Mev? B) How thick must the slab be to reduce the intensity of uncollided beam by a factor of 10? C) If an incident neutron has a collision in the slab, what is the relative probability that it collides with deuterium?

beam of 2 Mev neutrons is incident on a slab of heavy water (D2O). The total cross-sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively. A) What is the macroscopic total cross section of D2O at 2 Mev? B) How thick must the slab be to reduce the intensity of uncollided beam by a factor of 10? C) If an incident neutron has a collision in the slab, what is the relative probability that it collides with deuterium?

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Question

A beam of 2 Mev neutrons is incident on a slab of heavy water (D2O). The total cross-sections of deuterium and oxygen at this energy are 2.6 b and 1.6 b, respectively. A) What is the macroscopic total cross section of D2O at 2 Mev? B) How thick must the slab be to reduce the intensity of uncollided beam by a factor of 10? C) If an incident neutron has a collision in the slab, what is the relative probability that it collides with deuterium?

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