A light ray strikes a hexagonal ice crystal floating in the air at a 30° angle to one face, as shown below. The hexagonal faces of the crystal are perpendicular to the plane of the page. All the rays shown are in the plane of the page, and nice = 1.30. Which outgoing ray is the correct one? 
Definitions:
Q3: Ray says that interference effects cannot be
Q6: The superposition of two waves E1 =
Q7: Fireworks go off at the same time
Q30: Two balls, projected at different times so
Q31: Nonreflective coatings for camera lenses reduce the
Q34: The intensity of radiation reaching the Earth
Q37: A starship navigator measures the distance between
Q38: The only force acting on a 1.6-kg
Q43: A rectangular wire loop (length = 60
Q44: A car enters a level, unbanked semi-circular