Question

if you were trying to design the most efficient nuclear fission reactor possible. What ratio of U-235 to U-238 would you want?Explain why?

Answer 1

The experiment would contain 70% U-235 and 30% U-238. This is because some of the nuetrons need to be absorbed, but more of them must cause the fission Too much U-238, however, would cause to many netrons to be absorbed and stall the reaction process