Question

When two lighter nuclei fuse to form a heavier nucleus with the release of enormous energy, under pressure and temperature of more than million degrees celsius, the process is called:

Options

• nuclear fission

• controlled nuclear fission

• nuclear fusion

• none of these

Answer 1

Nuclear fusion

Explanation:

When two light nuclei combine to form a heavier nucleus and release enormous energy at a very high temperature, the process is called nuclear fusion. It is also called a thermonuclear reaction.