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The total energy of electron in the grou...

The total energy of electron in the ground state of hydrogen atom is `-13.6 eV` . Find the kinetic energy of and electron in the first excited state.

A

3.4 ev

B

0.85 ev

C

1.7 ev

D

0.425 ev

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The correct Answer is:
B
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AAKASH SERIES-ATOMS-EXERCISE -IA
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  2. When an electrons jumps from higher orbit to the second orbit in He^+ ...

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  4. The diagram shows the energy levels for an electron in a certain atom....

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  5. The wavelengths involved in the spectrum of deuterium (.(1)^(2)D) are...

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  6. When a hydorgen atom is excited from ground state to first excited sta...

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  7. Which of the following is not correct about bohr model of the hydrogen...

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  8. In the Bohr's model of a hydrogen atom, the centripetal force is furni...

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  9. The Bohr model of atoms

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  10. Bohr's model of hydrogen atom.

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  11. Three photons coming from excited atomic-hydrogen sample are picked up...

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  12. Whenever a hydrogen atom emitsa photon in the Balmer series .

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  13. If wavelength of photon emitted due to transition of an electron from ...

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  14. When a hydrogen atom is raised from the ground state to an excited sta...

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  15. Consider a spectral line resulting n = 5 to n = 1, in the atom and los...

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  16. In which of the following systems will be the radius of the first orbi...

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  17. If the radius of an orbit is r and the velocity of electron in it is v...

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  18. As the n (number of orbit) increases, the difference of energy between...

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  19. In which of the following transitions will the wavelength be minimum ?

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