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February 9, 2022 11:06 pm 10 pts
A two level system in a thermal (black body) environment can decay from the excited state by both spontaneous and thermally stimulated emission. At room temperature Q36. (300 K the frequency below which thermal emission dominates over spontaneous emission is nearest to (a) 103 HeE (b) 10° Hz (c) 10 Hz (d) 10 H
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