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Diffstat (limited to '752/CH20/EX20.5.1/20_5_1.sce')
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1 files changed, 18 insertions, 0 deletions
diff --git a/752/CH20/EX20.5.1/20_5_1.sce b/752/CH20/EX20.5.1/20_5_1.sce new file mode 100755 index 000000000..7a15b68b2 --- /dev/null +++ b/752/CH20/EX20.5.1/20_5_1.sce @@ -0,0 +1,18 @@ +clc;
+//page no 780
+//prob no. 20.5.1
+//3 semiconductor diodes are given
+E1=1.9;E2=1.46;E3=0.954;eV=1.9;//All in eV
+c=3*10^8;//speed of light
+//a)Determination of wavelength and freq for E1=1.9
+wav1=1.241/E1;f1=c/(wav1*10^-6);
+disp('um',wav1,'a)i)the wavelength is');
+disp('Hz',f1,'a)ii)the freq is');
+//b)Determination of wavelength and freq for E2=1.46
+wav2=1.241/E2;f2=c/(wav2*10^-6);
+disp('um',wav2,'b)i)the wavelength is');
+disp('Hz',f2,'b)ii)the freq is');
+//c)Determination of wavelength and freq for E3=0.945
+wav3=1.241/E3;f3=c/(wav3*10^-6);
+disp('um',wav3,'c)i)the wavelength is');
+disp('Hz',f3,'c)ii)the freq is');
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