2 files changed, 27 insertions, 0 deletions
diff --git a/273/CH8/EX8.2/ex8_2sce.sce b/273/CH8/EX8.2/ex8_2sce.sce
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index 000000000..898637fc5
--- /dev/null
+++ b/273/CH8/EX8.2/ex8_2sce.sce
@@ -0,0 +1,14 @@
+clc;clear;
+//Example 8.2
+//Polarizer,calculation of angle
+
+//given values
+Io=1;//intensity of polarised light
+I1=Io/2;//intensity of beam polarised by first by first polariser
+I2=Io/3;//intensity of light polarised by second polariser
+
+
+ //calculation
+a=acos(sqrt(I2/I1));
+alpha=a*180/%pi;//conversion of angle into degree
+disp(alpha,'angle between characteristic directions  (in degree) is');
+\ No newline at end of file
diff --git a/273/CH8/EX8.3/ex8_3.sce b/273/CH8/EX8.3/ex8_3.sce
new file mode 100755
index 000000000..fb29227e4
--- /dev/null
+++ b/273/CH8/EX8.3/ex8_3.sce
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+clc;clear;
+//Example 8.3
+//calculation of birefringence
+
+//given values
+
+l=6*10^-7;//wavelength of light in metre
+d=3*10^-5;//thickness of crystal
+
+
+ //calculation
+ x=l/(4*d);
+disp(x,'the birefringance of the crystal is');
+\ No newline at end of file