Energy is released during nuclear fission___

Concept:

• The nucleus of a heavy atom (such as uranium, plutonium or thorium), when bombarded with low-energy neutrons, can be split apart into lighter nuclei. This process is called nuclear fission.
• Fission occurs when a neutron slams into a larger atom, forcing it to excite and split into two smaller atoms—also known as fission products.
• A chain reaction refers to a process in which neutrons released in a fission reaction produces an additional fission reaction in at least one further nucleus. This nucleus, in turn, produces neutrons, and the process repeats.

• During this reaction, a tremendous amount of energy is released.
• The nuclear reactors are controlled by means of control rods which are made of a strongly neutron-absorbent material such as boron or cadmium (Cd).

Explanation:

During nuclear fission, a heavy nucleus breaks into two or more daughter nuclei with a lighter mass. The total binding energy of these daughter nuclei is greater than the parent nuclei. Greater binding energy means a larger amount of energy is released during the formation of a nucleus. This difference in binding energy accounts for the release of energy during nuclear fission.

The correct answer is option (1)