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  4. According to Einstein's photoelectric equation, the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is

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Q. According to Einstein's photoelectric equation, the graph between the kinetic energy of photoelectrons ejected and the frequency of incident radiation is

Dual Nature of Radiation and Matter

Solution:

According to Einstein equation
$h v=h v_{0}+K_{\max }$
$\Rightarrow K_{\max }=h v-h v_{0}$
on comparing it with $y=m x+ c$,
it is clear to say that,
This is the equation of straight line having positive slope $(h)$ and negative intercept $\left(h v_{0}\right)$ on $K E$ axis.