Physics Grade 11 is the best textbook app
User manual Chapter 1: oscillation. Lesson 1. Description of oscillation Lesson 2. Equation of harmonic oscillation Lesson 3. Energy in harmonic oscillation Lesson 4. Damping oscillation and resonance summarize chapter 1 Chapter 2: WATER Lesson 5. Waves and wave propagation. Lesson 6. Physical characteristics of waves Lesson 7. Electromagnetic waves Lesson 8. Interference of waves Lesson 9. Standing waves Lesson 10. Practice measuring the frequency of sound waves and the speed of sound transmission summarizes chapter 2 Chapter 3: ELECTRIC FIELD, Lesson 11. Coulomb's law of electrostatic interactions Lesson 12. Electric field Lesson 13. Electric potential and electric potential Lesson 14. Capacitors. Lesson 15. Energy and applications of capacitors. summarizing chapter 3 Chapter 4: CURRENT CURRENT CURRENT Lesson 16. Current. Amperage Lesson 17. Resistance. Ohm's Law Lesson 18. Power Supply Lesson 19. Electrical energy. Electrical capacity Lesson 20. Practice determining the electromotive force and internal resistance of a battery summarizes chapter 4 Terminology explanation