the ratio of Population of the two states in He Ne laser

Last updated: 6/13/2023

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