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The groud state energy of hydrogen atom ...

The groud state energy of hydrogen atom is `-13.6 eV`. When its electron is in first excited state, its exciation energy is

A

10.2 eV

B

0

C

3.4 eV

D

6.8 eV

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The correct Answer is:
A
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MOTION-ATOMIC STRUCTURE & X-RAY -Exercise - 2
  1. lambda("min") of X-rays depends on :-

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  2. The order of energy of X-ray photon is :-

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  3. If vacuum tube is operated at 6.4 kV, what is the wavelength of X-ray ...

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  4. When electron is incident on molyblednum then by changing energy of el...

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  5. The groud state energy of hydrogen atom is -13.6 eV. When its electron...

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  6. The ionization enegry of the electron in the hydrogen atom in its grou...

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  7. In a Rutherford scattering experiment when a projectile of change Z(1)...

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  8. An electrons of a stationary hydrogen aton passes form the fifth enegr...

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  9. Ratio of longest wavelengths corresponding to Lyman and Balmer series ...

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  10. Electrons with de- Broglie wavelength lambda fall on the target in an ...

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  11. If an electron in a hydrogen atom jumps from the 3rd orbit to the 2nd ...

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  12. When an alpha-particle of mass 'm' moving with velocity 'v' bombards o...

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  13. Given the value of Rydberg constant is 10^(7)m^(-1), the waves number ...

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  14. Suppose the charge of a proton and an electron differ slightely. One o...

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  15. An electron beam is acceleration by a potential difference V to hit a ...

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  16. Some energy levels of a molecule are shown in the fig. The ratio of t...

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  17. The ratio of kinetic energy to the total energy of an electron in a Bo...

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  18. An electron from various excited states of hydrogen atom emit radiatio...

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  19. The mass of hydrogen molecule is 3.32xx10^(-27) kg. If 10^(23) hydroge...

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  20. If the series limit frequency of the Lyman series is v(L), then the se...

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