1- How to treat farsightedness
2- Types of lenses and compound lenses
3- Environmental pollution
4- Einstein's theory of relativity
5- Millikan’s oil drop experiment
6- Nuclear fission technology
7- Analytical Mechanics Lecture Series - First Semester
8- Analytical Mechanics Lecture Series - Second Semester
9- Encyclopedia of Physics
10- Nanotechnology Physics
11- Mathematics book (the approved source)
