問題詳情
22. When an electromagnetic wave falls on a white, perfectly reflecting surface, it exerts a force F on that surface. If
the surface is now painted a perfectly absorbing black, what will be the force that the same wave will exert on
the surface?
(A) F/2,
(B) F,
(C) F/4,
(D)4F,
(E) 2F.
參考答案
答案：A
統計：A:0,B:0,C:0,D:0,E:0
難度：計算中