Questions with detailed step by step solutions from Atoms and Nuclei

Topics covered under Atoms and Nuclei
Alpha-particle scattering experiment, Rutherford’s model of atom, Bohr model, energy levels, hydrogen spectrum. Composition and size of nucleus, atomic masses, isotopes, isobars, isotones. Radioactivity-alpha, beta and gamma particles/rays and their properties, radioactive decay law, Mass-energy relation, mass defect, binding energy per nucleon and its variation with mass number, nuclear fission and fusion.