Suppose for a system with two levels with corresponding rotational quantum number J=2 and J=1, each of these have sublevels corresponding to J=2: m_J=-2, -1, 0, 1, 2 and J=1: m_J=-1, 0, 1, tune the external field such that we have transitions corresponds to \Delta m_J=-1, 0, 1. So how many...