see the adjacent figure what happens when we release the ball will it reaches the same height at the other end or not if it is a frictionless surface give reason will it reaches the same height at the other end of what if the friction is not zero give reasons

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.