Question

Which of the following statements regarding a 2-level atomic system is correct?
At thermal equilibrium in room temperature, stimulated emissions far exceed spontaneous emissions
As temperature increases, the ratio of N1/N2 also increases.
The ratio of Einstein coefficients A/B is inversely proportional to ν3
None of the above

Answer 1

Answer:

Einstein coefficients are mathematical quantities which are a measure of the probability of absorption or emission of light by an atom or molecule