1.0
4.0
30.0°
\(\theta_2\)—
\(\vert\mathbf{E}_2\vert / \vert\mathbf{E}_1\vert\)—
\(\vert\mathbf{D}_2\vert / \vert\mathbf{D}_1\vert\)—
\(\tan\theta_1 / \tan\theta_2\)—