Asked by KENRY

calculate the frequency of an Infrared light of wave number 2200cm^-1

Answers

Answered by R_scott
frequency = speed / wavelength = c / 2200 cm = 3E10 / 2.2E3
Answered by Evans
That is :
3×10^8/2.2×10^-3 = 1.36×10^11
Hope am correct
Answered by R_scott
my bad ... the wave NUMBER is waves per cm ... not the wave length

frequency = speed * wavenumber = 3E8 * 2.2E3

sorry about that
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