When light passes between two different media (i.e. oil and water), and the index of refraction of the second object is higher than the first object, the light will _______________.
a. bend towards the boundary between the two surfaces.
b. curve downwards with the force of gravity.
c. curve until it circles back to the original medium.
d. bend towards the line that runs normal (aka perpendicular) to the boundary between the two surfaces
