Fission: 2 Marks
Fusion: 2 Marks
Difference between nuclear fission and nuclear fusion:
Nuclear fissionNuclear fusion1.A heavier nucleus breaks to form lighter1.Two lighter nuclei combine together to formnuclei with the release of large amount of energy.a heavier nuclei with release of a large amount of energy2.Energy released is higher as compared2.Energy released is much higherto the energy released during achemical reactionthan that of nuclear fission process.3.It does not occur in nature normally3. It occurs in sun and other starts.