a graph is plotted between the maximum kinetic energy of emitted photoelectrons and the frequency of incident radiations why physical - Physics - Electromagnetic Induction

Question

a graph is plotted between the maximum kinetic energy of emitted
photoelectrons and the frequency of incident radiations why
physical constant can be determined from slope of this graph

Rohit Singhal · Answer

KE= hv - phi
Thus slope of the graph is equal to plancks const

a graph is plotted between the maximum kinetic energy of emitted photoelectrons and the frequency of incident radiations.why physical constant can be determined from slope of this graph