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  4. According to Einsteins 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 Einsteins 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:

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The maximum kinetic energy of photoelectron ejected is given by
$K.E.$ $=h\upsilon-\phi_{0}=h\upsilon-h\upsilon_{0}$
where work function depends on the type of material
If the frequency of incident radiation is greater than $\upsilon_{0}$ only then the ejection of photoelectrons start. After that as frequency increases kinetic energy also increases