1. The problem statement, all variables and given/known data An electron in a one-dimensional box with walls at x =(o,a) is in the quantum state psi = A o<x<a/2 psi = -A a/2<x<a A) obtain an expression for the normalization constant, A. B) What is the lowest energy of the electron that will be measured in this state? 2. Relevant equations Not given anything. But its a chapter on Hermitian operators, and Hamiltonian. 3. The attempt at a solution So for part a I think I am just supposed to normalize, so 1=integral of A*A ... and I get A=(a)^(-1/2) which i think is my normalization constant. But is it asking not for the constant but to work back and find an equation? For part b,,, I just operated on psi with the Hamiltonian and because all I had were constants, I got zero... which is boring if true, but I think isn't the answer I am looking for. If anyone could help out, many thanks.