試題詳解

58. The wave function ψ(x) of a particle confined to 0 ≤ x ≤ L is given by ψ(x) = Ax. ψ(x) = 0 for x ＜ 0 and x ＞ L. When the wave function is normalized, the probability density at coordinate x has the value ______.
(A) 2x/L²
(B) 2x² /L²
(C) 2x² /L³
(D) 3x² /L³
(E) 2x³ /L³