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GAM of Hydrogen is 1g: Find the mass of ...

GAM of Hydrogen is 1g: Find the mass of 1 atom of hydrogen.

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Knowledge Check

  • Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kientic energy of the fastest photoelectrons emitted from sodium is 0.73 eV. The work function for sodium is 1.82 eV. Ionization potential of hydrogen is 13.6 V and the mass of hydrogen atom =1.67 xx 10^(-27)kg In the transition in Pasasge II, the change in the angular momentum of the electron is (h=Plack's constant)

    A
    `h/(2pi)`
    B
    `h/pi`
    C
    `(2h)/pi`
    D
    `(3h)/(2pi)`

  • Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kientic energy of the fastest photoelectrons emitted from sodium is 0.73 eV. The work function for sodium is 1.82 eV. Ionization potential of hydrogen is 13.6 V and the mass of hydrogen atom =1.67 xx 10^(-27)kg . The energy of the photons causing the photoelectric emission is

    A
    `1.168 xx 10^(-19)J`
    B
    `2.912 xx 10^(-19)J`
    C
    `1.744 xx 10^(-19)J`
    D
    `4.08 xx 10^(-19)J`

  • Light from a discharge tube containing hydrogen atoms falls on the surface of a piece of sodium. The kientic energy of the fastest photoelectrons emitted from sodium is 0.73 eV. The work function for sodium is 1.82 eV. Ionization potential of hydrogen is 13.6 V and the mass of hydrogen atom =1.67 xx 10^(-27)kg The quantum numbers of the two levels in the emission of the photons, where the energy difference is 2.55 eV are

    A
    `n=1,n=4`
    B
    `n=1,n=3`
    C
    `n=2, n=4`
    D
    `n=3, n=4`

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