These are the frequently asked questions/portions and one should definitely practice these.

1. Rutherford’s alpha scattering experiment (Experimental arrangement, observations, conclusions and the Rutherford atom model with appropriate diagrams)
2. Derive expression for the distance of closest approach in Alpha Scattering Experiment.
3. Define impact parameter
4. tate Bohr’s postulates.
5. Derive Rydberg formula
6. Show that the nuclear density is a constant for all nuclei.
7. Explain Hydrogen spectra.using Rydberg formula and energy level diagrams