Identify the incorrect statement from the following.

1. A A circular path around the nucleus in which an electron moves is proposed as Bohr's orbit.
2. B An orbital is the one electron wave function $(\psi)$ in an atom.
3. C The existence of Bohr's orbits is supported by hydrogen spectrum.
4. D Atomic orbital is characterised by the quantum numbers $\mathrm{n}$ and $l$ only. Correct answer