Estimate the average number of collisions requ neutrons of initial energy 2 MeV to thermal ene moderator. Calculate the corresponding slowing-down time-

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(a) Estimate the average number of collisions required to reduce fast fission
neutrons of initial energy 2 MeV to thermal energy (0.025 eV) in graphite
moderator.
(b) Calculate the corresponding slowing-down time given that Σ₁=0.385 cm-¹
Transcribed Image Text:(a) Estimate the average number of collisions required to reduce fast fission neutrons of initial energy 2 MeV to thermal energy (0.025 eV) in graphite moderator. (b) Calculate the corresponding slowing-down time given that Σ₁=0.385 cm-¹
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