Important Concept wise notes on Physics- (Fibre-Optics, Magnetism, Lasers, Interference of Light, Semiconductors)
This package basically includes all the important material consisting of necessary explanation about concepts related to any degree physics in Magnetism, Fibre-Optics, Semiconductors, Interference of light, Lasers etc. If you are willing to get an in depth explanation about these concepts which are lucidly explained then do check this document.