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//Example 25_9
clc();
clear;
//To find the value of work function for material
h=6.63*10^-34 //units in J
c=3*10^8 //units in meters/sec
lamda=5*10^-7 //units in meters
vo=0.6 //units in V
e=1.6*10^-19 //units in eV
phi=((h*c)/lamda)-(vo*e) //Units in J
phi=phi/(1.6*10^-19) //units in eV
printf("The value of work function for material is Phi=%.2f eV",phi)
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