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
Text Solution
Verified by ExpertsThe correct answer is:
C
Bohr’s formula for ground state energy

Here, m is reduced mass of electron and positron in positronium

Ground state energy of positronium
(using(i))


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