This week spectroscopy unit test. Video,Books, PDF already there. Check in File or links
The correct order of different types of energies is
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58%
Eel >> Evib >> Erot >> E tr
19%
Eel >> Erot >> Evib >> E tr
12%
Eel >> Evib >> Etr >> E rot
11%
Etr >> Evib >> Erot >> E el
The transition zone for Raman spectra is
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75%
Between vibrational and rotational levels
10%
Between electronic levels
5%
Between magnetic levels of nuclei
9%
Between magnetic levels of unpaired electrons
According to Frank Condon principle electronic transition is ------that the vibrational time
period of a molecule
period of a molecule
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29%
faster
42%
much faster
23%
slower
5%
much slower
The rotational spectral lines -------when C12is substituted by C13 in CO
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26%
are shifted to lower wavenumber side
28%
shifted to higher wavenumber side
40%
shifted wither to lower or higher wavenumber side depending on J
6%
are not shifted
Condition for a molecular vibration to be Raman active is that
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16%
it should be asymmetric
26%
it should cause a change in polarization
39%
it should cause a change in polarizability
19%
it should not be IR active
The fine structure of ESR Spectra is due to
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27%
electron-nuclueon coupling
28%
orbital-spin coupling
42%
electron-electron coupling
3%
nucleon-nucleon coupling