PHYSICS General Knowledge for any competitive examination. Only remembering or reading the points in physics is not going to help you in the exam hall to crack it. To answer the questions one should have the proper basic knowledge of physics. I am not saying that you have to be a master of physics. However, especially for IAS, UPSC, SSC, Technician, etc, one has to have a clear basic concept of physics. Therefore, here, we have brought the appropriate topics from basic physics chapter wise that should definitely be going to help you to crack any competitive exams.