Physics · Atoms
The gravitational force between a H-atom and another particle of mass m is given by Newton's law: F = G(M⋅m)/r2, where r is the distance between them. In this expression, the effective mass M of the hydrogen atom is given by (where B is the binding energy of 13.6 eV):
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- 1M = mproton + melectron - |V|/c2 (where |V| is the magnitude of the potential energy)
- 2M is completely unrelated to the individual masses of the constituents.
- 3M = mproton + melectron - B/c2✓
- 4M = mproton + melectron
Correct answer
M = mproton + melectron - B/c2
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