Sharanya posted an Question
April 03, 2021 • 13:39 pm 30 points
  • CSIR NET
  • Physical Sciences

37. the ratio of einstein coefficients a and b for laser is proportional to (a)y (b) (c) (d)

37. The ratio of Einstein coefficients A and B for laser is proportional to (A)Y (B) (C) (D)

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