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Q. Which of the graphs shown below does not represent the relationship between incident light and the electron ejected form metal surface ?

JEE MainJEE Main 2019Structure of Atom

Solution:

$E =W +\frac{1}{2} mv^{2} $
$ K.E. =hv -4 v_{0} $
$ K.E. =hv +\left(-hv_{0}\right) $
$ y =mx +\underline{C}$