Positronium is like a H atom with the proton replaced by positron (a positively charged…
Physics · Class 12 · CBSE — Atoms
Positronium is like a H atom with the proton replaced by positron (a positively charged antiparticle of the electron which is as massive as electron). The ground state energy of positronium would be
- –3.4 eV
- –5.2 eV
- –6.8 eV
- –10.2 eV
Answer
(C) –6.8 eV
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