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Energy Of Electron In Nth Orbit...

Energy Of Electron In Nth Orbit

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Velocity Of Electron In Nth Orbit

r_(n,z)= Radius of nth orbit of a single electron species having atomic number 'z' u_(n,z)= Velocity of electron in nth orbit of a single electron specie having atomic number 'z' E_(n,z) = Magnitude of total energy of electron in nth orbit of a single electron species having atomic number 'z'. K_(n,z)= Magnitude of kinetic energy of electron in nth orbit of a single electron species having atomic number 'z' P_(n,z)= Magnitude of potential energy of electron in nth orbit of a single electron species having atomic number 'z' f_(n,z)= Frequency of electron in nth orbit of a single electron species having atomic number 'z'. T_(n,z)= Time period of electron in nth orbit of a single electron species having atomic number 'z'

Knowledge Check

  • If the electron in hydrogen atom jumps from second Bohr orbit to ground state and difference between energies of the two states is radiated in the form of photons. If the work function of the material is 4.2 eV , then stopping potential is [Energy of electron in nth orbit = - (13.6)/(n^(2)) eV ]

    A
    2V
    B
    4V
    C
    6 V
    D
    8 V

  • Which is the correct relation between energies of one electron species? E_1 =Energy of electron in the first Bohr orbit, E_2 =Energy of electron in the second Bohr orbit, E_3 =Energy of electron in the third Bohr orbit, E_4 =Energy of electron in the fourth Bohr orbit.

    A
    `E_1 " of " H = 1//2E_2 of He^(+) = 1//3E_3 " of " Li^(2+) = 1//4E_4 " of " Be^(3+)`
    B
    `E_1 (H) = E_2 (He^(+)) = E_3 (Li^(2+)) = E_4 (Be^(3+))`
    C
    `E_1 (H) = 2E_2 (He^(+)) = 3E_3 (Li^(2+)) = 4E_4 (Be^(3+))`
    D
    None of the above relations are correct

  • Energy of electron in a orbit of H -atom is

    A
    Positive
    B
    Negative
    C
    Zero
    D
    Nothing can be said

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    Calculate the radius of the third Bohr orbit of hydrogen atom and the energy of electron in that orbit.

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