Positronium Consists of a Bound State of an Electron and a Positron.A

question 41

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.

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