At & given
observer location. the
green which reaches t he eye
will have started out slightly above the red and
will reach the eye at a steeper angle.
Although dispersion is
quite small on the air path. blue
light will be bent more than red. Light
of two different colors emerging from a point in the
same direction will not both hit the observer.
Blue light ls bent more than
green and tends to be
scattered out of the