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Physics, 18.08.2019 01:10 ashlon98

What is the work function of the experimental photo-missive material? graph titled maximum kinetic energy of ejected photo electron versus incoming frequency is shown. the y axis is labeled maximum kinetic energy and scales from negative 3 to positive 3 electron volts. the x axis is labeled frequency from 0 to 11 times 10 to the 14 hertz. a line connects the points 0, negative 2 and 2.5, negative 1 and 5, 0 and 8, 1 and 10, 2.
a. 0.50 ev
b.-2.9 ev
c.-1.2 ev d.-2.0 ev

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