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Slide 2

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A photon that
has energy is
fired into a metal
Metal
The extra energy makes
the electron vibrate
The energy of one photon
is absorbed by one
electron giving that
electron extra energy.
electrons…read more

Slide 3

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The energy of the emitted
electron is the photon energy ­
the work function energy.
Metal
If the electron now
has more energy than
the work function
energy it means it can
now be emitted from
the metal.
electrons…read more

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