From b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b Mon Sep 17 00:00:00 2001
From: priyanka
Date: Wed, 24 Jun 2015 15:03:17 +0530
Subject: initial commit / add all books

---
 1883/CH3/EX3.4.1/Example3_9.sce | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100755 1883/CH3/EX3.4.1/Example3_9.sce

(limited to '1883/CH3/EX3.4.1')

diff --git a/1883/CH3/EX3.4.1/Example3_9.sce b/1883/CH3/EX3.4.1/Example3_9.sce
new file mode 100755
index 000000000..29e32a9e2
--- /dev/null
+++ b/1883/CH3/EX3.4.1/Example3_9.sce
@@ -0,0 +1,17 @@
+//Chapter-3,Example3_4_1,pg 3-10
+
+d=29*10^-6                                                      //diameter of core of step index fibre
+
+wavelength=1.3*10^-6                                                   //wavelength of light
+
+n1=1.52                                                         //refractive index of core
+
+n2=1.5189                                                       //refractive index of cladding
+
+V=%pi*d*sqrt(n1^2-n2^2)/wavelength                                     //Normalized frequency of the fibre
+
+printf("\nThe normalised frequency of fibre is  V = %.3f\n",V)
+
+N=V^2/2                                                         //The number of modes
+
+printf("\nThe number of modes = %.f\n",N)
-- 
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