Electrons Lost

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Electrons Lost

Postby Daisylookinland » Sun Oct 14, 2018 12:19 pm

In the photoelectric effect, does the electron that is released come from the metal that the EM radiation is shining on?

Milena Aragon 2B
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Joined: Fri Sep 28, 2018 12:19 am

Re: Electrons Lost

Postby Milena Aragon 2B » Sun Oct 14, 2018 12:36 pm

Yes, if the photon contains the minimum amount of energy needed (threshold energy) for an electron to be released from the metal, then it will do so.

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Re: Electrons Lost

Postby harshitasarambale4I » Sun Oct 14, 2018 3:54 pm

It is also important to remember that the metal is in a circuit. This means that the electrons in the metal will be continuously replenished, ensuring that the metal never runs out of electrons.

Jeremy Feng 1A
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Re: Electrons Lost

Postby Jeremy Feng 1A » Sun Oct 14, 2018 10:47 pm

In response to the comment about metal being a circuit; the circuit only exists in the model set up in this particular experiment. In "nature", it is possible for a metal to lose its electrons due to the photoelectric effect. Should a metal lose enough electrons on the atomic scale, it would simply cease to have the characteristics of the particular metal.

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