What would you get if you split a bar magnet in the middle?
OA
two magnets, one with a north pole and one with a south pole
two magnets, each with its own north and south poles
ООО
two magnets, each with a north pole and no south pole
two magnets, each with a south pole and no north pole

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.