Snell's Law:

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$\begin{displaymath}\frac{\sin\theta_1}{\sin\theta_2} = \frac{n_2}{n_1} = \frac{v_1}{v_2} = \frac{\lambda_1}{\lambda_2} \end{displaymath}$

(31)

**Figure 16:** Refraction
$\begin{figure} \begin{center} \leavevmode \epsfxsize=4 cm \epsfbox{figs/light1.eps} \end{center}\end{figure}$

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