Physics · Atoms
The binding energy of a H-atom, considering an electron moving around a fixed nucleus (proton), is given by B = -me4 / (8n2ε02h2), where m is the electron mass. If one decides to work in a frame of reference where the electron is at rest and the proton moves around it, the modified formula using proton mass M instead of m is incorrect because:
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- 1the motion of the proton would not be in circular orbits, even approximately.
- 2the frame in which the electron is at rest is non-inertial.✓
- 3Bohr-quantization applies only to electrons.
- 4n would not be an integer.
Correct answer
the frame in which the electron is at rest is non-inertial.
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