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September 1, 2015

Homework Help: Physics

Posted by Vanda on Sunday, March 20, 2011 at 4:52pm.

a) If the work function for a certain metal is 1.8 eV, What is the stopping potential for electrons ejected from the metal when light of wavelength 400 nm shines on the metal?
b) What is the maximum speed of the ejected electrons?

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