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If you don't consider the reduced mass... the result will be slightly different as in normal cases we take mass of electron m(e) in the expression and in actual it should be taken as mu(e) which is slightly less so result will vary...In this problem of calculation in difference of IP, if you don't take reduced mass your answer will be zero as the difference is only due to this reason as charges on both nuclei are same...
9 years ago
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Physics Galaxy