Augustin and Edson are going to a baseball game. To get to the stadium, they travel east on the highway at 120. km/hr for 30. minutes. Then they turn onto the stadium parkway and travel south at 60. km/hr for 10. minutes. Assume their starting point is at the origin. What is the position of the stadium?

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.