Examining Solid State Physics material, which includes: Crystal Structure; X Ray Diffraction, Neutron Diffraction, Electron Diffraction and (XRF, SEM, TEM, AFM); Crystal Bond; Grille Vibration; Einstein Model; Debye Model, Band Structure and Electrical Properties of Materials: Semiconductors, insulators and metals, The concept of effective mass; Pure Semiconductors and Impurities: Donors and Acceptors, Fermi level, Ef, Carrier concentration equations, Donors and acceptors both present; pn junction, pn Junction Diode; Electrical Conductance, Hall Effect; Light Emitting Diode; Paramagnetism, Diamagnetism, Ferromagnetism, Superconductors, Dielectrics, Supercapacitors