1.
Which of the following statements about the energy (E) of absorbed or emittedphotons is correct for vibrational spectroscopy?
1.
2.
E is the energy of the upper vibrational level
3.
E is the energy of the lower vibrational level
4.
E is the difference in energy between upper and lower vibrational levels
5.
E is kinetic energy of the electron
6.
None of the above
please explain, thank you