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What was the assumed volume of uranium needed for an atomic bomb before the Frisch–Peierls memorandum?

  • Many tons

  • A few ounces

  • Several pounds

  • Just a few grams

Answer

Before the Frisch–Peierls memorandum, it was believed that an atomic bomb would require many tons of uranium, and would therefore be impossible to build. However, the Frisch–Peierls memorandum showed that a much smaller amount of uranium would be sufficient, making the construction of an atomic bomb feasible.
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