AIEEE 2009 Solved Paper

Section: Physics
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Question : 55 of 89
 
Marks: +1, -0
The surface of a metal is illuminated with the light of 400‌nm. The kinetic energy of the ejected photoelectrons was found to be 1.68‌eV. The work function of the metal is :
(hc=1240‌eV.nm)
[AIEEE 2009]
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