blob: 22193cae4366d6289c53a4f2d3171cfe2ccfa2d1 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
|
clear
clc
disp('Exa-3.4(a)');
hc=1240; phi=4.52 //both the values are in eV
w1=hc/phi;
printf('The cutoff wavelength of the tungsten metal is %.3fnm\n ',w1);
disp('Exa-3.4(b)');
w2=198; //given value of wavelength
Kmax=(hc/w2)-phi;printf('The max value of kinetic energy is %.3f eV\n',Kmax);
disp('Exa-3.4(c)');
Vs=Kmax; printf('The numerical value of the max kinetic energy is same as stopping potential in volts.Hence %.2f V',Vs);
|
