|Atomic Masses and Composition of Nucleus
||Definition of atomic mass unit (u) – Isotopes, isobars and isotones
|Size of the Nucleus
||Composition, size, mass and density of the nucleus
|Mass- Energy and Nuclear Binding Energy
||Einstein’s mass energy relation – Nuclear binding energy: Brief explanation of mass defect and binding energy – Binding energy per nucleon -Binding energy curve
||Nuclear force and its characteristics.
||Law of radioactive decay – Derivation of – Activity (decay rate) and its units – becquerel and curie – Definition and derivation of half-life of radioactive element – Definition of mean life and mention its expression. Alpha decay, beta decay (negative and positive) and gamma decay with examples –
||Q value of nuclear reaction. Nuclear fission and nuclear fusion with examples.