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Physics

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The greater the work function for a metal,
A) the greater the speed of the ejected electron
B) the smaller the speed of the ejected electron
C) the more electrons are ejected
D) the lower the threshold frequency
E) none of the above

  • Physics -

    A nonzero work function reduces the energy of the ejected electron. It also increases the photon energy and frequency needed to eject the electron.

    Now ask yourself: What does that do to electron speed?

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