Dalton’s completing an investigation in the science lab. he observes that a sample of liquid turns to gas at 135°c. what’s this temperature called? boiling point, freezing point, melting point, room temperature, standard temperature.

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.