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