Relative Probabilities

[@PunmasterSTP]

When it comes to the crown of the educational side of UA-cam, your videos are some real Joules!

[@lookthesky9632]

Hi Professor Steven, just wondering is that possible to do E1s - E2s instead of E2s - E1s for delta E(change of energy)? Thank you.

[@PhysicalChemistry]

If you want P(2s) / P(1s), then you need to use ΔE = E(2s) - E(1s).
Using E(1s) - E(2s) instead will change the sign of ΔE. Since this appears in the exponent, it will cause the ratio of probabilities to be inverted.

[@lookthesky9632]

@@PhysicalChemistry Thank you so much!