16. At every instant, the ratio associated with an electromagnetic wave is equal to(A)(B)(C) H(D) c

問題詳情

16. At every instant, the ratio associated with an electromagnetic wave is equal to
(A)
(B)
(C) H
(D) c

答案：D
難度：非常困難0.0909091
統計：A(0),B(4),C(3),D(1),E(0)