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In a hydrogen atom, if energy atom, if e...

In a hydrogen atom, if energy atom, if energy of an electron in group state is `- 13.6 eV`, then that in the `2^(nd)` excited state is :

A

` -1 . 5 1 eV`

B

` -3 4eV`

C

` -6 . 04 eV`

D

`-6.04eV`

Text Solution

Verified by Experts

The correct Answer is:
A
2bd excited state mens third energy level .
` E_3 = E_1 /3_2 =- ( 13.6)/9 =- 1. 51eV` .
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Knowledge Check

  • In a hydrogen atom , If the energy of electron in the ground state is -x eV ., then that in the 2^(nd) excited state of He^(+) is

    A
    `- x eV`
    B
    `-(4)/(9) x eV`
    C
    ` +2x eV `
    D
    ` -(9)/(4) x eV `

  • Energy of H-atom in the ground state is -13.6eV . Hence energy in the second excited state is

    A
    `-6.8eV`
    B
    `-3.4eV`
    C
    `-1.51eV`
    D
    `-4.3eV`

  • The energy of the electron in the ground state of H-atom is -13.6 eV . The energy of the first excited state will be

    A
    `-3.4 eV`
    B
    `-27.2 eV`
    C
    `-6.8 eV`
    D
    `-52.4 eV`
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