1.

According to Einstein's photoelectric equation, the graph of KE of the photoelectron emitted from the metal versus the frequency of the incident radiation gives a straight line graph, whose slope

Answer»

depends on the intensity of the incident radiation
depends on the nature of the metal and also on the intensity of incident radiation
is same for all metals and INDEPENDENT of the intensity of the incident radiation
depends on the nature of the metal

Solution :According to Einstein.s photoelectric equation

`KE_("max")=hv-phi_(0)`
Compring with the equation of straight LINE We GET, slop of graph =H


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