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PhysicsModern PhysicsAtomic structureMedium2 minQB

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The ground-state energy of positronium is most nearly equal to

Answer:

Solution:

Positronium's reduced mass is $m_{e} /2$ , so $E_{1} = - 13.6 \times \frac{1}{2} = - 6.8 eV$ .

Subject:PhysicsTopic:Modern PhysicsSubtopic:Atomic structure

⏱ 2mℹ️ Source: QB

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