Unit 21 • Class 12Physics (Phy.102)
Radioactivity & Nuclear Reactions
रेडियोधर्मिता तथा आणविक प्रतिक्रियाहरू
Alpha, beta, and gamma properties, radioactive decay law N = N₀ e^(-λt), half-life T_1/2 = 0.693/λ and mean life, activity of radioactive substance, mass defect and nuclear binding energy, nuclear fission and fusion.