Dispersion:

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Index of refraction decreases with increasing wavelength, so that blue light has higher index of refraction and bends more than red light.

**Figure 18:** Change of index of refracton with wavelength
$\begin{figure} \begin{center} \leavevmode \epsfxsize=4 cm \epsfbox{figs/light3.eps} \end{center}\end{figure}$

gabor@theory.uwinnipeg.ca
2001-01-05