# GRE Physics GR 1777 Problem Solution

## 023. Quantum Mechanics (Positronium)

### You should know about

- Rydberg constant for positronium may be calculated from the reduced mass

### Solution

### Answer

(B) 0.5

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# GRE Physics GR 1777, Problem 023 Solution

# GRE Physics GR 1777 Problem Solution

## 023. Quantum Mechanics (Positronium)

### You should know about

### Solution

### Answer

### Reference

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- Rydberg constant for positronium may be calculated from the reduced mass

(B) 0.5