Multiple Choice
Positronium consists of a bound state of an electron and a positron.A positron is exactly the same as an electron,except it has a charge of +e instead of -e.In the classical model,both particles orbit a point midway between them.The reduced mass of positronium is equal to
A) the mass of an electron.
B) the mass of an electron squared.
C) the square root of the mass of an electron.
D) None are correct.
Correct Answer:

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Correct Answer:
Verified
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