Which of the following statements about the critical angle for the incident and transmitted rays is correct? Check All That Apply There is a critical angle for a light ray coming from a medium with an index of refraction 1.20 and incident on a medium that has an index of refraction 1.40. There is a critical angle for a light ray coming from a medium with an index of refraction 1.20 and incident on a medium that has an index of refraction 1.40. There is a critical angle for a light ray coming from a medium with an index of refraction 1.40 and incident on a medium that has an index of refraction 1.20. There is a critical angle for a light ray coming from a medium with an index of refraction 1.40 and incident on a medium that has an index of refraction 1.20. The critical angle is given by sinθc = nt / ni. The critical angle is given by sinθc = nt / ni. The critical angle is given by sinθc = ni / nt.