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Vikash Raj Shrivastava posted an Question
June 17, 2021 • 02:04 am 30 points
  • CSIR NET
  • Physical Sciences

27 the electronic energy levels in a hydrogen atom are given by e. =-13.6/nev. ifa selective excitation to then = 100 level is to be made using a laser, the max

27 The electronic energy levels in a hydrogen atom are given by E. =-13.6/neV. Ifa selective excitation to then = 100 level is to be made using a laser, the maximum allowed frequency line-width of the laser is A 6.5 MHz is B. 6.5 GHz C. 6.5 Hz D. 6.5 kHz

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