1 files changed, 22 insertions, 0 deletions
diff --git a/3869/CH1/EX1.3/Ex1_3.sce b/3869/CH1/EX1.3/Ex1_3.sce
new file mode 100644
index 000000000..2b4195f7f
--- /dev/null
+++ b/3869/CH1/EX1.3/Ex1_3.sce
@@ -0,0 +1,22 @@
+clear
+//
+//
+//
+
+//Variable declaration
+Y=1*10**-3           //distance between slits(m)
+D=1                  //distance between slit and screen(m)
+d=1*10**-3           //point distance(m)
+lamda=5893*10**-10   //wavelength(angston)
+
+//Calculation
+delta1=Y*d/D                //path difference(m)
+Pd=2*%pi*delta1/lamda   //phase difference(radian)
+r=(cos(Pd/2))**2       //ratio of intensity
+delta2=lamda/4              //path difference(m)
+W=delta2*D/d                //distance of point on screen from centre(m)
+
+//Result
+printf("\n ratio of intensity is %0.4f  ",r)
+printf("\n distance of point on screen from centre is %0.3f  *10**-4 m",W*10**4)
+printf("\n answers in the book varies due to rounding off errors")