If ⟨m|n⟩ = δm,n, the two vectors |φ1⟩ = a|n⟩ and |φ2⟩ = b|n⟩ + c|m⟩ are orthonormal if:

In quantum mechanics, the eigenvalue of a Hamiltonian operator for a particle is used to determine which of the following physical quantities?

Which of the following is a mandatory mathematical characteristic of an acceptable wave function in quantum mechanics?