In this episode, Emma looks at Snell's law, which you'll need to use to work out the index of refraction from angles of incidence and refraction for your AP Physics 2 exam. She also looks at the properties of diverging and converging lenses, as well as convex and concave mirrors. Ideal for preparing you for your AP Physics 2 exam. Click here for the full course, or visit this link: http://bit.ly/3cq2OAV