In July 1994 the comet shoemaker-Levy 9 collided with the planet jupiter ,as a scientists had predicted. To be able to accurately Predict when a comet will collide with a planet, it is essential to understand

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.