Photoelectric effect

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Aph
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#1
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Which metals would be best to use to get electrons relecesd via x-rays and gamma waves?
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uberteknik
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(Original post by Aph)
Which metals would be best to use to get electrons relecesd via x-rays and gamma waves?
Revise your notes for work functions and convert the definition of x-rays and gamma waves to a range of frequencies and energies.

Using that information, look up the threshold frequency tables for given metals.

Some clues for you:

http://www.schoolphysics.co.uk/age16...ect/index.html

http://www.madsci.org/posts/archives...4070.Ch.r.html
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Aph
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(Original post by uberteknik)
Revise your notes for work functions and convert the definition of x-rays and gamma waves to a range of frequencies and energies.

Using that information, look up the threshold frequency tables for given metals.

Some clues for you:

http://www.schoolphysics.co.uk/age16...ect/index.html

http://www.madsci.org/posts/archives...4070.Ch.r.html
Thank you though it seems pretty much everything will emit electrons with x and gamma rays. Which is good.
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Kallisto
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#4
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(Original post by Aph)
Which metals would be best to use to get electrons relecesd via x-rays and gamma waves?
The wave lengths of x-rays in form of gamma waves begin at ultraviolet (under 400 nanometer) and end roughly at 425 nanometer. That should help you to restrict your search.
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