initial commit / add all books

6 files changed, 90 insertions, 0 deletions

diff --git a/34/CH9/EX9.1/Ch9Exa1.sci b/34/CH9/EX9.1/Ch9Exa1.sci
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index 000000000..b390b5220
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+k= 8.617*10^(-5); //Boltzmann constant, eV/K

+To=273; //initial temperature, K

+E1= -13.6; //energy of ground state, eV

+E2= -3.4; //energy of first excited state, eV

+dE= E2-E1; //difference in energy levels

+g1=2; //number of energy states for E1

+g2=8; //number of energy states for E2

+

+J= dE/(k*To);

+Nratio1= (g2/g1)*(%e)^(-J); //ratio of number of atoms in level 2 and level 1 at To

+

+T1=10273; //K

+J1= J*To/T1; 

+Nratio2= (g2/g1)*(%e)^(-J1); //at T1

+

+disp(To,"The ration at 273 K is: ")

+disp(T1,"The ratio at 10273 k is: ")
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diff --git a/34/CH9/EX9.4/Ch9Exa4.sci b/34/CH9/EX9.4/Ch9Exa4.sci
new file mode 100755
index 000000000..f637040be
--- /dev/null
+++ b/34/CH9/EX9.4/Ch9Exa4.sci
@@ -0,0 +1,13 @@
+ 

+Moxygen= 16.0; //atomic mass,u

+Mo2= 32.0; //Molecular mass, u

+u= 1.66*(10^(-27)); //atomic mass unit, kg

+Moxygen= Mo2*u; //mass, kg

+t= 273; //temperature, K

+k= 1.38*10^(-23); //Boltzmann constant, J/K

+Vrms= sqrt(3*k*t/Moxygen); // m/s

+disp(Vrms,"The rms velocity of oxygen is: ")

+ 

+//Result

+// The rms velocity of oxygen is:    

+//   461.26708  
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diff --git a/34/CH9/EX9.5/Ch9Exa5.sci b/34/CH9/EX9.5/Ch9Exa5.sci
new file mode 100755
index 000000000..5cbc1bd1d
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+++ b/34/CH9/EX9.5/Ch9Exa5.sci
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+ 

+//Part (a)

+V= 1.00; //volume, cm^3

+V= V*10^(-6); //converting to m^3

+dI= 2.404; //standard value of definite Integral used

+k= 8.617*10^(-5); //Boltzmann constant, eV/K

+h= 4.13*(10^(-15)); //Planck's constant, eV.s

+T= 1000; //temperature, K

+c= 3 *(10^8); //speed of light, m/s

+N= 8*(%pi)*V*dI*[(k*T/(h*c))^3];

+disp(N,"the number of photons is: ")

+ 

+//Result

+// the number of photons is:    

+//    2.032D+10  

+ 

+//Part(b)

+Sig= 5.670*10^(-8); //Stefan's constant, W/m^2.K^4 , refer to Page 317

+Ephoton= Sig*(c^2)*(h^3)*T/(2.405*(2*(%pi)*(k^3))); //J

+disp(Ephoton,"The average energy of the photons, in J, is: ")

+

+//Result

+// The average energy of the photons, in J, is:    

+//   3.718D-20  

diff --git a/34/CH9/EX9.6/Ch9Exa6.sci b/34/CH9/EX9.6/Ch9Exa6.sci
new file mode 100755
index 000000000..3e0483e59
--- /dev/null
+++ b/34/CH9/EX9.6/Ch9Exa6.sci
@@ -0,0 +1,9 @@
+ 

+T= 2.7; //blackbody temperature, K

+Lambda= 2.898*10^(-3)/T; //using wein's displacement law, Eqn 9.40, m

+Lambda= Lambda*10^(3); //converting to mm

+disp(Lambda,"The wavelength for maximum radiation, in mm, is: ")

+ 

+//Result

+// The wavelength for maximum radiation, in mm, is:    

+//    1.0733333 
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diff --git a/34/CH9/EX9.7/Ch9Exa7.sci b/34/CH9/EX9.7/Ch9Exa7.sci
new file mode 100755
index 000000000..0c7e8cbe9
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+++ b/34/CH9/EX9.7/Ch9Exa7.sci
@@ -0,0 +1,14 @@
+ 

+Rearth= 1.5*10^(11); //radius of earth, m

+r= 1.4; //rate of arrival of sunlight, kW/m^2

+P= (r*10^3)*4*(%pi)*(Rearth^2); //total power reaching Earth

+Rsun= 7*10^(8); //radius of Sun, m

+r2= P/(4*(%pi)*(Rsun^2)); //radiation rate of Sun, W/m^2

+emissivity=1; //for blackbody

+Sig= 5.670*10^(-8); //Stefan's constant, W/m^2.K^4

+T= [r2/(emissivity*Sig)]^(1/4);

+disp(T,"The surface temperature of Sun, in K, is: ")

+ 

+//Result

+//The surface temperature of Sun, in K, is:    

+//   5802.7366  
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diff --git a/34/CH9/EX9.8/Ch9Exa8.sci b/34/CH9/EX9.8/Ch9Exa8.sci
new file mode 100755
index 000000000..1af884f39
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+++ b/34/CH9/EX9.8/Ch9Exa8.sci
@@ -0,0 +1,13 @@
+

+u= 1.66*(10^(-27)); //atomic mass unit, kg

+density= 8.94*10^(3); // kg/m^3

+M= 63.5; //atomic mass of copper, u

+Edensity= density/(M*u); //electron density, electrons/m^3

+h= 6.63*(10^(-34)); //Planck's constant, J.s

+Me= 9.1*(10^(-31)); //mass of electron, kg

+Efermi= h^2/(2*Me)*[(3*Edensity)/(8*(%pi))]^(2/3); // J

+disp(Efermi,"The fermi energy, in J, is: ")

+ 

+//Result

+//The fermi energy, in J, is:    

+//    1.130D-18  
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