Q4. Derive for the case of non-degenerate perturbation a. non-degenerate perturbation b. the first-order correction to the energy C. the first-order correction to the wave function d. the second-order correction to the energy Q5. If the delta-function bump is put in the infinite square well with perturbation Hamiltonian H' = V.6 (x - =) where Vo is very small constant and b is the size of the well. Obtain the first-order energy correction