Electronic energies are the highest and therefore involve the shortest wavelength, i.e., 500 nm.
The vibrational energies are in between as are the wavelengths, i.e., 5.0 mm.
Since E1/E2 = l2/ l1 (from the above equation).
Then Er/Ee = 500X10-9/5.0X10-3
Ev/Ee = 500X10-9/5.0X10-6 = 10-1
Er/Ev = 5.0X10-6/5.0X10-3 = 10-3
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