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  4. If in the first orbit of a hydrogen atom the total energy of the electron is -21.76 × 10-19 J, then its electric potential energy will be:

Q. If in the first orbit of a hydrogen atom the total energy of the electron is , then its electric potential energy will be:

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Solution:

Potential energy Total energy

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4. Muon is a negatively charged particle with a mass me, where me is the mass of the electron and e is the electronic charge. If - is bound to a proton to form a hydrogen like atom, identify the correct statements.
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(B) The speed of the in the orbit is times that of the electron in the orbit.
(C) The ionization energy of muonic atom is times more than that of an hydrogen atom.
(D) The momentum of the muon in the orbit is times more than that of the electron.

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