blob: b924cae3687183475a689a7f3d0197591722c813 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
|
//Variable declaration
d=7300 //density in (kg/m**3)
N=6.02*10**26 //Avagadro Number
A=118.7 //Atomic Weight
E=1.9 //Effective mass
e=1.6*10**-19
//Calculations
n=(d*N)/A
m=E*9.1*10**-31
x=4*%pi*10**-7*n*e**2
lamda_L=sqrt(m/x)
//Result
printf('Number of electrons per unit volume = %0.3f *10**28/m**3 \n',(n/10**28))
printf('Effective mass of electron m = %0.3f *10*-31 kg \n',(m*10**31))
printf('Penetration depth = %0.3f Angstroms \n',lamda_L*10**8)
printf('//The answer given in the text book is wrong')
|
