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For He^+, a transition takes place from ...

For `He^+`, a transition takes place from the orbit of radius 105.8 pm to the orbit of radius 26.45 pm. The wavelength (in nm) of the emitted photon during the transition is ___.
[Use:
Bohr radius, a = 52.9 pm
Rydberg constant, `R_H = 2.2 xx 10^(-18)` J
Planck’s constant, `h = 6.6 xx 10^(-34) J s`
Speed of light, `c = 3 xx 10^8 ms^(-1)`]

Answer

Step by step text solution for For He^+, a transition takes place from the orbit of radius 105.8 pm to the orbit of radius 26.45 pm. The wavelength (in nm) of the emitted photon during the transition is ___.[Use:Bohr radius, a = 52.9 pmRydberg constant, R_H = 2.2 xx 10^(-18) JPlanck’s constant, h = 6.6 xx 10^(-34) J sSpeed of light, c = 3 xx 10^8 ms^(-1)] by CHEMISTRY experts to help you in doubts & scoring excellent marks in Class 12 exams.

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Knowledge Check

  • The energy of a photon wavelength k = 1 meter is (Planck's constant = 6.625 xx 10^(-34) Js, speed of light = 3 xx 10^(8) m//s )

    A
    `1.988 xx 10^(-23) J`
    B
    `1.988 xx 10^(-28) J`
    C
    `1.988 xx 10^(-30) J`
    D
    `1.988 xx 10^(-25) J`

  • Calculate the energy in joule corresponding to light of wavelength 45 nm (Planck's constant, h = 6.63 xx 10^(-34) Js, speed of light = 3 xx 10^(8) ms^(-1) )

    A
    `6.67 xx 10^(15)`
    B
    `6.67 xx 10^(11)`
    C
    `4.42 xx 10^(-15)`
    D
    `4.42 xx 10^(-18)`

  • Calculate the energy in joule corresponding to light of wavelength 45 nm : (Planck' constant h = 6.63 xx 10^-34 Js , speed of light c = 3 xx 10^8 ms^-1 )

    A
    `6.67 xx 10^15`
    B
    `6.67 xx 10^11`
    C
    `4.42 xx 10^-15`
    D
    `4.42 xx 10^-18`

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