1. Did the number of electrons increase with the number of rubs? Does this make sense? Why or why not? 2. Is there a relationship between the angle between the balloons and the number of electrons? If so, why? 3. Which was better at transferring electrons, the wool or the fur? Why?

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.