Home Physics Atomic and Nuclear Physics Mix Positronium is like a H atom with the proton…
Physics Atomic and Nuclear Physics Mix MCQ (Single Correct)

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

A
B
C
D

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The 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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