A laser system is capable of lasing at several infrared wavelengths where the most prominent wavelengths where the most prominent wavelengths is 3.1235nm. (Given k=8.6* 10^-5 ev/k or 1.38* 10^-23 J/K a) What would be the difference(in ev)between upper and lower levels for this wavelengths ? b) The relative population of these states at 27degree C is c) Which states is occupied by atoms under conditions of thermal equilibrium ?

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A laser system is capable of lasing at several infrared wavelengths where the  most prominent wavelengths where the most prominent wavelengths is 3.1235nm. (Given k=8.6* 10^-5 ev/k or 1.38* 10^-23 J/K

a) What would be the difference(in ev)between upper and lower levels for this wavelengths ?

b) The relative population of these states at 27degree C is

c) Which states is occupied by atoms under conditions of thermal equilibrium ?

d) The relative population of these states at 40degree C is

e)  What would be the difference(in J)between upper and lower levels for this wavelengths ?

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