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J asked in Science & MathematicsPhysics · 1 decade ago

An electron in an infinite, one dimensional potential well of width 0.39 nm makes a 2 to 1 transition. What is

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  • Anonymous
    1 decade ago
    Favorite Answer

    the frequency of light emitted?

    Well the energy levels for a 1-D well are given by

    En = (hbar^2 Pi^2 /2ma^2) n^2

    Ephoton = Ef - Ei = E2 - E1 = hbar^2Pi^2/2ma^2 (2^2 - 1^2)

    3 hbar^2Pi^2/2ma^2

    hbar = 1.05E-34, a = 0.39E-9, m=9.11E-31kg...

    and away you go...

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