Question

Which of the following is wrong about the energy released by the detonation of an atomic bomb?

• A. Fission of the atom's nucleus
• B. Fusion of the atom's nucleus
• C. A chain reaction
• D. The release of many neutrons
• E. The uncontrolled speed of many neutrons

Answer 1

The correct option is B Fusion of the atom's nucleus

Atomic bombs are nuclear weapons that use the energetic output of nuclear fission to produce massive explosions. Atomic bombs are made up of a fissile element, such as uranium, that is enriched in the isotope that can sustain a fission nuclear chain reaction. When a free neutron hits the nucleus of a fissile atom like uranium-235 , the uranium splits into two smaller atoms called fission fragments, plus more neutrons. Fission can be self-sustaining because it produces more neutrons with the speed required to cause new fissions. This creates the chain reaction.