Posted by Johannie on Thursday, April 1, 2010 at 11:11pm.
1/wave number = wavelength in cm then convert to nm.
c = frequency x wavelength
delta E = h*frequency
delta E in joules, frequency in Hz, h is Planck's constant.
so it would be 1/1953 = 5.12e-4 cm and then just convert that to nm?
yes. When you convert wavelength to frequency, be aware that the formula is
USUALLY with c in meters/second (3 x 10^8 m/s) so you will need to convert to wavelength in meters to use that value for c. But once you have wavelength in nm, just multiply by 10^-9 and you will have meters.
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