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The radius of the first Bohr orbit in th...

The radius of the first Bohr orbit in the hydrogen atom is ro. The radius of the third Bohr in the hydrogen atom will be_______ .

Text Solution

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`9r_(0).[ because r_(n) = n^(2) r_(0)]`
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Knowledge Check

  • The radius of the first Bohr orbit of hydrogen atom is r. The radius of the 3rd orbit would be

    A
    3r
    B
    9r
    C
    27r
    D
    none of these

  • If a is radius of first Bohr orbit in hydrogen atom, the radius of the third orbit is

    A
    3a
    B
    9a
    C
    27 a
    D
    81 a

  • The radius of the first Bohr orbit of hydrogen atom is 0.529Å . The radius of the third orbit of H will be:

    A
    `8.46Å`
    B
    `0.705Å`
    C
    `1.59Å`
    D
    `4.76Å`

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