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Diffstat (limited to '2882/CH2/EX2.6/Ex2_6.sce')
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1 files changed, 35 insertions, 0 deletions
diff --git a/2882/CH2/EX2.6/Ex2_6.sce b/2882/CH2/EX2.6/Ex2_6.sce new file mode 100755 index 000000000..3a9c16539 --- /dev/null +++ b/2882/CH2/EX2.6/Ex2_6.sce @@ -0,0 +1,35 @@ +//Tested on Windows 7 Ultimate 32-bit
+//Chapter 2 Fundamental Concepts: Energy Bands in Solids Pg no. 51
+clear;
+clc;
+
+//Given Data
+
+n=2;//orbit for Balmer series
+h=6.625D-34;//planck's constant in Joules-sec
+c=3D8;//speed of light in meter per second
+
+//Solution
+
+for k=3:6
+ hf=-13.6*(1/(k^2)-1/(2^2));//radiated energy in eV
+ hf2=hf*1.6D-19;//converting from eV to Joules
+ f=hf2/h;//frequency of emitted radiation in Hz
+ l=c/f;//wavelength of emitted radiation in meters
+ u=l*10^6;//converting wavelength into micro meter
+ A=l*10^10;//converting wavelength into angstroms
+
+ printf("n=%d,hf%d2=%.2f eV,λ=%.3f μm = %d Å \n",k,k,hf,u,A);
+end
+
+hf=-13.6*(0-1/(2^2));//as k tends to infinity 1/k tends to zero
+hf2=hf*1.6D-19;//converting from eV to Joules
+f=hf2/h;//frequency of emitted radiation in Hz
+l=c/f;//wavelength of emitted radiation in meters
+u=l*10^6;//converting wavelength into micro meter
+A=l*10^10;//converting wavelength into angstroms
+
+ printf("n=∞ ,hf∞2=%.2f eV,λ=%.3f μm = %d Å \n",hf,u,A);
+
+
+//Errors with respect to book due to decimal approximations
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