1 Reflection in Plane Mirrors 2 Reflection in Spherical Mirrors 3 Spherical Mirror Problems 4 Measurement of Focal Length of Concave Mirror 5 Refraction 6 Total Internal Reflection 7 Lenses 8 The Eye 9 To Verify Snell’s Law and Measure Refractive Index of Glass 10 To Measure the Focal Length of a Convex/Converging Lens