Question:
the ratio of Population of the two states in He Ne laser
Last updated: 6/13/2023
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the ratio of Population of the two states in He Ne laser that Produces light of wavelength 6328 Ao at 27 o C Option 1 2 1 x 10 29 Option 2 1 24 x 10 30 Option 3 2 1 x 10 27 Option 4 1 1 x10 33