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

Options

A. depends on the nature of the metal used
B. depends on the intensity of the radiation
C. depends both on the intensity of the radiation and the metal used
D. is the same for all metals and independent of the intensity of the radiation

Answer

D

Explanation

According to Einstein's equation of photoelectric effect `hf=W_(0)+K_("max"), K_("max")=(h)f-W_(0)`

The slope of K vs f graph is h which is a fundamental constant and same for all metals at all intensifies.