Question

Nuclear energy liberated per unit mass ______.

Options

• in nuclear fission is less than that of nuclear fusion

• in nuclear fission is more than that of nuclear fusion

• is equal in both nuclear fission and nuclear fusion

• depends on conditions of reaction

Answer 1

Nuclear energy liberated per unit mass in nuclear fission is less than that of nuclear fusion.

Explanation:

Per unit mass, light nuclei fusing together (fusion) releases nearly 4 times more energy than heavy nuclei splitting (fission).