試題詳解

15. An electron is in an infinite square well of width a with the same potential form as in Problem 14, with a = 300 pm wide. What is the probability that one can detect the electron in the first excited state within an interval betwe x = 0.50a and x = 0.75a?
(A) 0
(B) 1/2
(C) 1/3
(D) 1/4
(E) 1/6.