Plastic vs Metal  [ENDORSED]

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Mei Blundell_1J
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Plastic vs Metal

Postby Mei Blundell_1J » Fri Apr 20, 2018 7:04 pm

We discussed this in class today, but I'm still unsure of the reason why plastic can't be used for the experiment. Is it because the experimental setup requires a conductive material, or is it because plastics (and other non-conductive materials) don't emit photons? thanks

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Re: Plastic vs Metal

Postby AnnaYan_1l » Fri Apr 20, 2018 7:58 pm

Hi! The experiment requires a conductive material (metal), and since plastics and other materials are not conductive, the experiment wouldn't work with the use of a non-metal surface. Hope this clarifies things for you!

Amir Akhavan 1E
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Re: Plastic vs Metal  [ENDORSED]

Postby Amir Akhavan 1E » Sun Apr 22, 2018 4:47 pm

The Professor said that the material must be able to conduct electricity and if not and electron will not be emitted after shining photons onto the object. Plastics are unable to act as conductors and thus the experiment would be unable to work.

Shimran Kumar 1C
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Re: Plastic vs Metal

Postby Shimran Kumar 1C » Sun Apr 22, 2018 6:14 pm

What about a conductive substance that is not a metal? For example, salt water can conduct electricity, but is not a solid metal. Could the experiment still be conducted and produce an ejected electron?

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