Question: code class = asciimath > T = 3 0 0 K 5 times 1 0 ^ ( 1 2 ) Hz , whereas spontaneous

code class="asciimath">T=300K 5\times 10^(12)Hz, whereas spontaneous emission dominates for frequencies well above 5\times 10^(12)Hz. Which mechanism dominates for visible light?
code class = "asciimath" > T = 3 0 0 K 5 \ times

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