The binding energy of a H-atom, considering an electron moving around a fixed nuclei…
Physics · Class 12 · CBSE — Atoms
The binding energy of a H-atom, considering an electron moving around a fixed nuclei (proton), is \(B=-\frac{m e^{4}}{8 n^{2} \varepsilon_{0}^{2} h^{2}}\) (m = electron mass). If one decides to work in a frame of reference where the electron is at rest, the proton would be moving around it. By similar arguments, the binding energy would be \(B=-\frac{M e^{4}}{8 n^{2} \varepsilon_{0}^{2} h^{2}}\) (M = proton mass)
This last expression is not correct because
This last expression is not correct because
- n would not be integral
- Bohr-quantisation applies only to electron
- the frame in which the electron is at rest is not inertial
- the motion of the proton would not be in circular orbits, even approximately
Answer
(C) the frame in which the electron is at rest is not inertial
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