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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Debanjana Adhikari posted an Question
May 10, 2020 • 17:53 pm
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30 points
30 points
- CSIR NET
- Physical Sciences
Q33. the separation between the energy levels of a tw0-level atom is2 ev. suppose that 4x10 atoms are in the ground state and 7x10 atoms are pumped into the exc
Q33. The separation between the energy levels of a tw0-level atom is2 eV. Suppose that 4x10 atoms are in the ground state and 7x10 atoms are pumped into the excited state just before lasing starts. How much energy will be released in a single laser pulse? (a) 24.6 J (b) 22.4J (c)98 J (d) 48J
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Dhairya sharma
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it's not always that N2 - N1 will come to ground . since saperation energy is given and we know no of particle with respect to energy levals. so the most efficient way to find the difference of no of particle
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Debanjana adhikari
why (N2- N1)/2 atoms comes to the ground state??
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Chandra prakash
see attached file
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Ruby negi
solution
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Dhairya sharma
solution:
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Dhairya sharma![best-answer]()
and one more no particle which were more only that come to the ground state but it's two leval system so exactly half will come