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The energy of an electron in excited hyd...

The energy of an electron in excited hydrogen atom is -3.4 eV . Then, according to Bohr's therory, the angular momentum of the electron of the electron is

A

`2.11xx10^(-34)`

B

`3xx10^(-34)`

C

`2xx10^(-34)`

D

`0.5xx10^(-34)`

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The correct Answer is:
A
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Knowledge Check

  • According to Bohr's theory, the angular momentum for an electron of 5^(th) orbit is

    A
    `2.5h//pi`
    B
    `5h//pi`
    C
    `25h//pi`
    D
    `6h//2pi`

  • According to Bohr's theory, the angular momentum for an electron of 5th orbit is,

    A
    `10h//pi`
    B
    `5h//2pi`
    C
    `25h//pi`
    D
    `5pi//2h`

  • According to Bohr's theory the angular momentum of an electron in 4th orbit is

    A
    `20 (h)/(pi)`
    B
    `10 (h)/(pi)`
    C
    `2 (h)/(pi)`
    D
    `h/pi`
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