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The energy of a hydrogen atom in the gro...

The energy of a hydrogen atom in the ground state is `-13.6 eV`. The eneergy of a `He^(+)` ion in the first excited state will be

A

–6.8 eV

B

–13.6 eV

C

–27.2 eV

D

–54.4 eV

Text Solution

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The correct Answer is:
B
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 1
  1. In above question.radius is related as :-

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  2. If electron in a hydrogen atom has moves from n = 1 to n = 10 orbit, t...

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  3. The energy of a hydrogen atom in the ground state is -13.6 eV. The ene...

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  4. According to the Bohr theory of Hydrogen atom, the speed of the electr...

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  5. Out of the following which one is not a possible energy for a photon t...

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  6. The transition form the state n = 3 to n = 1 in a hydrogen-like atom r...

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  7. The electron of a hydrogen atom revolves the proton in a circuit nth o...

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  8. When a hydrogen atom is raised the ground state to third state

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  9. The ratio of the energies of the hydrogen atom in its first to second ...

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  10. Which of the transitions in hydrogen atom emits a photon of lowest fre...

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  11. The wavelength of radiation emitted is lambda(0) when an electron jump...

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  12. If an electron in hydrogen atom jumps from third orbit to second orbit...

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  13. The total energy of an electron in the first excited state of the hydr...

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  14. The figure indicates the enegry level diagram of an atom and the origi...

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  15. If the energy of a hydrogen atom in nth orbit is E(n), then energy in ...

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  16. The ionization potential for hydrogen atom is 13.6 eV, the ionization ...

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  17. If the ionization potential of hydrogen atom is 13.6 V, its energy in ...

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  18. The ionisation energy of Li^(2+) atom in ground state is,

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  19. Which state of the triply ionized Beryllium (Be^(3+)) has the same orb...

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  20. What is the wavelength of ligth for the least energetic photon emitted...

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