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If the electron enrgy is -3 .4 eV, find...

If the electron enrgy is ` -3 .4` eV, find the principal quantum number fo H-atom .

Text Solution

Verified by Experts

The correct Answer is:
2
`E_n = E_1/n2 ( :. E_1 "for H-atom" =- 13. 6 eV)`
or ` n^2 = E_1 E_n = ( 13,6)/( -3.4) :. N=2` .
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  • The force acting on the electron in a hydrogen atom depends on the principal quantum number as

    A
    `F prop n^(2)`
    B
    `F prop (1)/(n^(2))`
    C
    `F prop n^(4)`
    D
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    A
    1
    B
    2
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    3
    D
    4

  • Elements A has one electron in its valence shell and its principal quantum number is one & atom B has 5 electron in its valence shell and its principal quantum number for last electron is 3 so compound of A and B is

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    • P BAHADUR-ATOMIC STRUCTURE-Exercise 6
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    7. Find out the number of waves made by a Bohr's electron in one complet...

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    15. What is the ratio of wavelength of (II) line fo Balmer series and (I) ...

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    16. Ionisation potential of hydrogen atom is 13 . 6 eV. Hydrogen atom in ...

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    17. The velocity of an electron in a certain Bohr's orbibit of H-atom bear...

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    18. A single electron system has ionization enrgy 1. 118 xx 10^7 J mol^(-...

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