Based on archimedes' principle, the greatest buoyant force an object can experience in water is determined by which quantity? a. the object's mass b. the object's chemical properties c. the object's volume d. the object's pressure

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.