The magnitude of the orbital angular momentum L of an electron in a certain atom is equal to 3.464ћ. Which of the following angles could NOT be the angle between the orbital angular momentum vector of the electron and an arbitrary z-direction? 90.0 ∘ 54.7 ∘ (C) 0.00 ∘ (D) 73.2 ∘ (E) 107 ∘