Unit I ElectrostaticsChapter–1: Electric Charges and Fields Chapter–2: Electrostatic Potential and Capacitance Start Here Unit 6 Ray Optics Start Here Unit 6 Wave Optics Start Here Unit 5 Electromagnetic Induction Start Here Unit 1 Chapter 1 Electric cherges and fieldsChapter 2 Electric potential and capacitance Start Practice Test Paper Unit 2 Chapter 3 Current ElectricityChapter 4 Magnetic Effect of Current Start Practice Test Paper