Wave Function ψ(x) ~ sin(πx/L) Probability |ψ(x)|² ~ sin²(πx/L) 0 —– ————————– L | | | /\ | /\ | / \ | / \ | / \ | / \ | / \ | / \ |/ \ |/ \ 0 \ 0 \ \ \ \ \ ————————— Smooth sine wave peaking in center Peaks at cent er, zero at edges