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authorprashantsinalkar2017-10-10 12:27:19 +0530
committerprashantsinalkar2017-10-10 12:27:19 +0530
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+clear
+//
+//
+//
+
+//Variable declaration
+d=970 //density(kg/m**3)
+Na=6.02*10**26 //avagadro number
+w=23 //atomic weight
+m=9.1*10**-31 //mass(kg)
+h=6.62*10**-34 //planck's constant
+
+//Calculation
+N=d*Na/w //number of atoms/m**3
+x=h**2/(8*m)
+y=(3*N/%pi)**(2/3)
+EF=x*y //fermi energy(J)
+
+//Result
+printf("\n fermi energy is %0.2f eV",EF/(1.6*10**-19))