13. An electron moving at constant speed v in a circular orbit with radius r around the nucleus. What is the ratio of its magnetic dipole moment to its orbital angular momentum?
(A) e/m
(B) e/2m
(C) -e/m
(D) -e/2m.
答案:登入後查看
統計: 尚無統計資料
統計: 尚無統計資料