Question 1 - Electric current (English)
Question 1,2,3 - Rutherford α- scattering experiment,Emission & absorption spectra. (English)
Question 4,7 - Find vel.,P.E,K.E,T.E for moving electron.Bohr radius (English)
Question 3 - Impact parameter, Distance of closest approach (English)
Question 2 - Rutherford's alpha scattering experiment (English)
Question 1 - Development of atom theory (1885 to 1930) (English)
Question 7 - Radius, velocity and total energy in nth orbit (English)
Question 4 - Energy of electron moving around nucleus (English)
Question 8 - De Broglie's formula and bohr's 2nd postulate (English)
Question 6 - Bohr's model postulates, limitations (English)
Question 5 - Spectra, Hydrogen spectra (English)
Question 3A -,Impact parameter,distance of closest approach. (English & Punjabi)