profile-img
Debanjana adhikari Asked a Question
May 10, 2020 12:23 pmpts 30 pts
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
  • 2 Answer(s)
  • 0 Likes
  • 6 Comments
  • Shares
  • Vaishnavi rajora thankyou
    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
    Likes(0) Reply(0)
  • Vaishnavi rajora thankyou
    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 ...
    Show more
    Likes(0) Reply(0)
  • Debanjana adhikari
    why (N2- N1)/2 atoms comes to the ground state??
    Likes(0) Reply(0)
  • Chandra dhawan
    see attached file
    • cropped1992488220.jpg
    Likes(0) Reply(0)
  • Ruby negi
    solution
    • cropped-346273003.jpg
    Likes(0) Reply(0)
  • Vaishnavi rajora
    solution:
    • cropped1783987245.jpg
    Likes(0) Reply(0)