Question

Who conducted the first controlled fission reaction?

• A. Fermi
• B. Cavendish
• C. Otto Hahn
• D. Hans Bethe

Answer 1

The correct option is A

Fermi

1. The process of splitting a heavy nucleus into smaller nuclei with the liberation of enormous energy is called nuclear fission.
2. The first self-sustained, controlled nuclear fission reaction was conducted in the year $1942$.
3. It was conducted beneath the University of Chicago's football stadium.
4. This experiment was performed under the direction of the Nobel prize-winning scientist Enrico Fermi.

Hence, option A is the correct answer.