The visible
spectrum where there is no white in this band, which presents the
reason why white are red, orange, yellow, green, green, blue, purple
The seven colors of light superposition results. To prove this point is
very simple, because the frequency of seven colors of light is
different rates, the relative refractive index of glass is different
from holding a prism-shaped glass placed in the sun like the rainbow
you will see colorful light, can continue to make it through another
prism, which will synthesis of colorful light white line. |