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author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
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committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /377/CH4/EX4.7 | |
parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '377/CH4/EX4.7')
-rw-r--r-- | 377/CH4/EX4.7/4_7.sce | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/377/CH4/EX4.7/4_7.sce b/377/CH4/EX4.7/4_7.sce new file mode 100644 index 000000000..31fc0a947 --- /dev/null +++ b/377/CH4/EX4.7/4_7.sce @@ -0,0 +1,16 @@ +disp("g(E)=(8*pi*sqrt(2))*((m0/(ħ^2))^(3/2))*sqrt(E)");
+a=9.1*(10^-31); //say m0=a
+b=6.626*(10^-34); //say ħ=b
+E=5*1.6*(10^-19);
+pi=3.14;
+f=0.026*1.6*(10^-19);
+c=(8*pi*sqrt(2))*((a/(b^2))^(3/2))*sqrt(E); //say gcentre=c
+printf('\nthe value of gcentre in (m^-3)*(J^-1) is %f (m^-3)*(J^-1)',c);
+d=(c)*(10^-6)*(1.6*(10^-19));
+printf('\nthe value of gcentre in (cm^-3)*(eV^-1) is %f (cm^-3)*(eV^-1)',d);
+e=(8*pi*sqrt(2))*((a/(b^2))^(3/2))*sqrt(f); //say f=K*T=0.026eV & e=g at K*T
+printf('\nthe value of g at K*T in (m^-3)*(J^-1) is %f (m^-3)*(J^-1)',e);
+g=(e)*(10^-6)*(1.6*(10^-19));
+printf('\nthe value of g at K*T in (cm^-3)*(eV^-1) is %f (cm^-3)*(eV^-1)',g);
+h=g*0.026;
+printf('\nthe volume density of states is %f (cm^-3)',h);
\ No newline at end of file |