題組內容

3. Consider a plane boundary (y=0) between air (region 1,62a1a1ede4295.jpg = 1) and iron (region 2, 62a1a2075efe1.jpg = 200).

(b) Assuming62a1a27263e89.jpgand the angle that62a1a2970e9f3.jpg makes with the interface.(10分)