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Debanjana adhikari Asked a Question
May 10, 2020 12:24 pmpts 30 pts
Q29. For a two level system, the population of atoms in the upper and lower levels are 3x10* and 0.7x10 3.0x10' m" /W-sand the energy density is 9.0J/m -Hz, the rate of stimulated emission will be (a) 6.3x10' s respectively. If the coefficient of stimulated emission is (b) 4.1x10l6 s- (C) 2.7x10 s (d) 1.8x10' s
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  • Chandra dhawan thankyou
    see attached file it's very helpful for you
    • cropped420875293.jpg
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  • Dhairya sharma thankyou
    solution:
    • cropped-818548825.jpg
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