Grade 11 Physics Textbook Chapter 7 Refraction of Light (Pg. 81) 7.2 Velocity of Light (Pg. 82) 7.4 Laws of Refraction (Pg. 84) 7.5 Refraction Index Absolute Refraction Index (Pg. 86) Lateral Displacement (Pg. 88) 7.6 Critical Angle and Total Internal Reflection (Pg. 91) Dispersion and Formation of Spectrum by a Prism (Pg. 96) Chapter 7 Exercise (Pg. 97) Chapter 8 L enses (Pg. 100) 8.2 The Lenses Equation (Pg. 101) Formation of Image by Lenses (Pg. 106) Chapter 8 Examples (Pg. 101) Chapter 8 Exercise (Pg. 111) Chapter 9 Electric Field (Pg. 114) Example 9.4 (Pg. 117) 9.2 Electric Field and Electric Field Intensity (Pg. 118) Example 9.7 (Pg. 120) 9.3 Electric Lines of Force Electric Charge Distribution (Pg. 123) 9.5 Electric Potential and Potential Differences (Pg. 125) 9.6 Equipotential Surfaces (Pg. 129) 9.8 Potential Differences between two parallel charged plates (Pg. 131) Exercises related Electric Force No. 1-5 (Pg. 133) Chapter 9 Exercise No. 6-10 (Pg. 133) ...