blob: 7e6d6b207145d26c8aade847cacfb70fbee6ef95 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
|
//Example 2_5_u2
clc();
clear;
//To calculate the no of states for conduction electrons and the average energy interval
n=9.11*10^-31 //units in Kg
E=5*1.6*10^-19 //units in J
v=10^-6 //units in meter^3
h=6.67*10^-34 //units in m^2 kg s^-1
NE=(8*sqrt(2)*%pi*n^1.5*E^0.5*v)/h^3 //units in J^-1
no=NE*0.01*1.6*10^-19 //units in J
printf("Available number of energy states is ")
disp(no)
interval=0.01/no //units in eV
printf("Average energy interval is")
disp(interval)
printf("eV")
//Given in text book available no of energy states is 1.52*10^20 but correct answer is 1.490D+20 and for average energy interval is 7*10^-23 eV but correct answer is 6.709D-23 eV
|
