Disha Publication brings you free practice exercise paper for UPSC IAS, SSC CGL, NDA & CDS Exams on the topic “Physics”. These notes carry A. Mechanics, B. Heat and Thermodynamics, C. Optics and Sound, D. Electricity and Magnetism, E. Modern Physics, F. Space Physics levels 106 questions. These notes are very important for the candidates preparing for competitive exams.