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In an inelastic collision an electron ex...

In an inelastic collision an electron excites as hydrogen atom from its ground state to a M -shell state. A second electron collides instantaneously with the excited hydrogen atom in the M-state and ionizes it. At least how much energy the second electron transfers to the atom in the M-state ?

A

`+3.4 eV `

B

`+1.51 eV `

C

`-3.4 eV`

D

`-1.51 eV`

Text Solution

Verified by Experts

The correct Answer is:
B
`+1.51 eV `
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DISHA PUBLICATION-ATOMS-EXERCISE-1: CONCEPT BUILDER (TOPICWISE)
  1. In the hydrogen atom, an electron makes a transition from n=2 to n=1....

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  2. In terms of Rydberg constant R, the shortest wavelength in the Balmer ...

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  3. In an inelastic collision an electron excites as hydrogen atom from it...

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

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  5. In terms of Bohr radius a(0), the radius of the second Bohr orbit of a...

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  6. The ionisation potential of H-atom is 13.6 eV. When it is excited from...

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  7. If the radiation of Mo (Z = 42) has a wevelength of 0.71Å, calculate w...

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  8. The third line of Balmer series of an ion equivalent to hydrogen atom...

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  9. Excitation energy of a hydrogen like ion in its first excitation state...

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  10. Hydrogen atom is excited from ground state to another state with princ...

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  11. If the angular momentum of an electron in an orbit is J then the K.E. ...

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  12. In two individual hydrogen atoms electrons move around the nucleus in ...

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  13. The energy of electron in an excited hydrogen atom is -3.4eV. Its angu...

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  14. The largest wavelength in the ultraviolet region of the hydrogen spect...

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  15. Taking Rydberg's constant R(H) = 1.097 xx 10^(7)m first and second wav...

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  16. The ratio of areas within the elctron orbits for the first excited sta...

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  17. Consider an eelctron in the nth orbit of a hydrogen atom in the Bohr m...

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  18. In hydrogen spectrum the wavelength of H(a) line is 656nm, where in t...

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  19. The wavelength of K(alpha) –line characteristic X–rays emitted by an e...

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

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