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Debanjana adhikari Asked a Question
May 10, 2020 12:23 pmpts 30 pts
Q36. 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 (300 K), the frequency below which thermal emission dominates over spontaneous emission is nearest to (a) 10 H (b) 10 Hz (c) 10' Hz (d) 10 Hz
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  • Vaishnavi rajora thankyou
    solution:
    • cropped-2100143592.jpg
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