問題詳情

41. Given a sample of radium-226 having a half-life of 4 days, find the probability that a nucleusdisintegrates after two half-lives.
(A) 1/2
(B) 1/4
(C) 2/3
(D) 3/4
(E)1/3

參考答案

答案:D
難度:計算中-1
書單:沒有書單,新增