試題詳解

82. What is a virtual state in Raman spectroscopy? Please choose the correct description.
(A) It helps us to visualize both elastic and inelastic scattering processes.
(B) It lies between the ground state and a vibrational state of tfie molecule.
(C) It is also a first vibrational state.
(D) It is a real electronic energy state.
(E) None of die above.