Field and Wave Electromagnetics 2nd Edition by David Cheng

Exercise 71

A plane wave originating in medium 1 ( 1 , µ 1 = µ 0 , 1 = 0) is incident normally on a plane interface with medium 2 ( 2 1 , µ 2 = µ 0 , 2 = 0)- Under what condition will the electric field at the interface be a maximum A minimum