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    Patricia21's Avatar
    Patricia21 Posts: 1, Reputation: 1
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    #1

    Mar 17, 2008, 05:28 PM
    How does UV light sensitive ink work using the Bohr-rutherford model of the atom?
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    Capuchin Posts: 5,255, Reputation: 656
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    Mar 17, 2008, 05:59 PM
    Well, UV is a higher energy wave than visible light, so the electron can be excited up many energy levels by a single UV photon.

    Then it will spontaneously drop down these energy levels one at a time at a later time, emitting lower energy photons i.e. in the visible.
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