問題詳情
1. Consider two uniform plane waves propagating in free space. The two waves are denoted by①and ②, respectively. The electric field of wave ① is
. Theelectric field of wave @ is E =
. The speed of light in free spaceis 3 X 108 m/s.
【題組】(a) (5%) Which wave propagates in the z direction?
參考答案