3. Consider a plane boundary (y=0) between air (region 1, = 1) and iron (region 2, = 200).
(a) Assumingand the angle that makes with the interface.(10分)
阿摩線上測驗
登入
阿摩線上測驗
登入
= 1) and iron (region 2, 
= 200).
and the angle that
makes with the interface.(10分)