Physics-
General
Easy
Question
If light of wavelength
is allowed to fall on a metal, then kinetic energy of photoelectrons emitted is
. If wavelength of light changes to
then kinetic energy of electrons changes to
. Then work function of the metal is
The correct answer is: 
E = W0 + KmaxÞ
and 
Þ
and 
Þ
Þ 
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