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A positronium is a bound electron positron state, where the electron is rotating around a positron...

A positronium is a bound electron positron state, where the electron is rotating around a positron rather than a proton. Prove that in a positronium bound state:a)The transition energy levels are halved compared with those of the Hydrogen Atom.b)The electron radii are expanded to double the corresponding radii of the Hydrogen Atom.

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all the calculations are given step by step ..Hope you understand ...

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