## Question

###### Consider a transition corresponding green laser light, with wavelength of 1 = 570 nm At room temperature (T = 200 K), determine the ratios of the populations on the upper and the lower laser energy levels of transition in thermal equilibrium; K-1.38*10-23

Consider a transition corresponding green laser light, with wavelength of 1 = 570 nm At room temperature (T = 200 K), determine the ratios of the populations on the upper and the lower laser energy levels of transition in thermal equilibrium; K-1.38*10-23

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