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Questions  

If first excitation potential of a hydrogen-like atom is V volt, then the ionization energy of this atom will be

a
V electron-volt
b
3V4electron-volt
c
4V3electron-volt
d
cannot be calculated by given information

detailed solution

Correct option is C

First excitation energy=Rhc112−122=Rhc34∴34Rhc=V eV                                     ∴Rhc=4V3eV

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Which of the following cannot be the energy of the electron in the hydrogen atom?


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