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What is the wavelength of light (in nanometers, nm) emitted when the electron in a hydrogen atom moves from the n=5 energy level to the n=3 energy level?

  • Physics -

    1/λ = R(1/n^2 - 1/m^2)
    R = 1.1•10^7 m^-1 is the Rydberg constant
    n = 3, m = 5
    λ= 7.99•10^-8 =79.9 nm

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