blob: ced71bc2ef2280441ef140fdca75b30e9db0bdfa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
//Example number 1.7, Page number 12
clc;clear;
close;
//Variable declaration
e=1.6*10**-19; //charge(coulomb)
epsilon0=8.85*10**-12;
r=0.5*10**-9; //distance(m)
I=5; //ionisation energy(eV)
E=4; //electron affinity(eV)
//Calculation
C=e**2/(4*%pi*epsilon0*e*r); //coulomb energy(eV)
Er=I-E-C; //energy required(eV)
//Result
printf( "energy required is %.1f eV",Er)
|
