Check the file: Questions.pdf

**Subject Engineering Engineering - Other**

Check the file: Questions.pdf

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function Solution

disp('---Question1----')

nus=8433;

h=6.62606957e-34; %m^2 kg/s

me=9.10938291e-31; %kgs

c=299792458; %speed of light in m/s

E=0.5:1:200; %in meV

Ep=0.5:1:55; %in meV

%wave length in meters

lambdaElec=h./sqrt(2*0.26*me*E*10^(-3));

lambdaPhonon=h*nus./(Ep*10^(-3));

lambdaPhoton=h*c./(E*10^(-3));

%plots

subplot(1,3,1)

plot(E,1e9*lambdaElec)

xlabel('Energy (meV)')

ylabel('Wavelenghth Lambda (nm)')

title('Electron wavelength as a function of energy')

subplot(1,3,2)

plot(E,1e9*lambdaPhoton)...

disp('---Question1----')

nus=8433;

h=6.62606957e-34; %m^2 kg/s

me=9.10938291e-31; %kgs

c=299792458; %speed of light in m/s

E=0.5:1:200; %in meV

Ep=0.5:1:55; %in meV

%wave length in meters

lambdaElec=h./sqrt(2*0.26*me*E*10^(-3));

lambdaPhonon=h*nus./(Ep*10^(-3));

lambdaPhoton=h*c./(E*10^(-3));

%plots

subplot(1,3,1)

plot(E,1e9*lambdaElec)

xlabel('Energy (meV)')

ylabel('Wavelenghth Lambda (nm)')

title('Electron wavelength as a function of energy')

subplot(1,3,2)

plot(E,1e9*lambdaPhoton)...

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