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1^(st) excitation Potential of a hydroge...

`1^(st)` excitation Potential of a hydrogen like sample is 15 volt. If all the atoms of the sample are in `2^(nd)` excited state then find the `K.E.` in `eV` of the electron ejected if a photon of energy `(65)/(9)eV` is supplied to this sample.

A

54.4 eV

B

24 eV

C

122.4 eV

D

216 eV

Text Solution

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The correct Answer is:
D
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GRB PUBLICATION-ATOMIC STRUCTURE-Bohr s Theory
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  11. In a certain electronic transition in the hydrogen atoms from an init...

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  15. The number of waves in the fourth bohr orbit of hydrogen is

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  16. An excited hydrogen atom returns to the ground state . The wavelength ...

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  17. What is the separation energy (in eV ) for Be^(3+) in the first excite...

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  18. When an electron makes a transition from (n + 1) state to n state ...

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  19. Which of the following statements is wrong for H-like atom ?

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  20. The angular momentum of electron in an excited H atom is (h)/(pi) . Th...

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