Concept explainers
(a)
The ground state energy of positronium.
(a)
Answer to Problem 37E
The ground state energy of positronium is
Explanation of Solution
Write the expression for ground state of energy.
Here,
Positronium consists of two electrons.
Write the expression for reduced mass of positronium.
Here,
Conclusion:
Substitute
Substitute
Thus, the ground state energy of positronium is
(b)
The radius of lowest energy orbit.
(b)
Answer to Problem 37E
the radius of lowest orbit of positronium is
Explanation of Solution
Write the expression for the radius of atom.
Here,
Write the expression for reduced mass of positronium.
Here,
Conclusion:
Substitute
Substitute
Thus, the radius of lowest orbit of positronium is
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Chapter 27 Solutions
General Physics, 2nd Edition
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