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If the electron in a hydrogen atom jumps...

If the electron in a hydrogen atom jumps from the second excited state to its ground state, the wavelength of the emitted radiation becomes 1026 Å . Determine the value of Rydberg constant from this data.

Text Solution

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The correct Answer is:
`1.0965 xx 10^(7)m^(-1)`
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Knowledge Check

  • As an electron makes a transition from an excited state to the ground state of a hydrogen -like atom / ion

    A
    its kinetic energy increases but potential energy and total energy decrease
    B
    kinetic energy , potential energy and total energy decrease
    C
    kinetic energy decreases, potential energy increases but total energy remains same
    D
    kinetic energy and total energy decrease but potential energy increase

  • An electron in the hydrogen atom jumps from excited state n to the Ground state . The wavelength so emitted illuminates a photosensitive material having work function 2.75 eV. If the stopping potential of the photoelectron is 10 V, then the value of n is

    A
    2
    B
    3
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    4
    D
    5

  • When an electron of H-atom jumps from a higher to lower energy state, then-

    A
    its potential energy increases
    B
    its kinetic energy increases
    C
    its angular momentum remains unchanged
    D
    its de Broglie wavelength increases

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    The electron in a hydrogen atom is excited to the n -th excited state. How many possible spectral lines can it emit in transtion to the ground state ?

    What is the energy in joules, requried to shift the electron of the hydrogen atom from the first Bohr orbit to the fifth Borh orbit and what is the wavelength of the light emitted when the electron returns to the ground state? The ground state electron energy is -2.18xx10^(-11) erg.

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