Career Information for an Aeronautics or Aviation Degree. Aeronautics or aviation is generally the science of flight, and this field may also include the manufacturing and design of airplanes and helicopters. Continue reading for an overview of the training, as well as career and salary info for some career options for graduates. View 10 Popular Schools Â».
The fundamental process at work in a rainbow is refraction -- the bending of light. Light bends -- or more accurately, changes directions -- when it travels from one medium to another. This happens because light travels at different speeds in different mediums.
(c) Toward the normal. Snell's Law shows that light makes a smaller angle in the medium with the higher index, unless the light enters along the normal or total internal reflection occurs. We are told that the first does not occur, and the second is not possible when traveling from a rarer to a denser medium.