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

---
 1847/CH3/EX3.9/Ch03Ex9.sce | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100755 1847/CH3/EX3.9/Ch03Ex9.sce

(limited to '1847/CH3/EX3.9')

diff --git a/1847/CH3/EX3.9/Ch03Ex9.sce b/1847/CH3/EX3.9/Ch03Ex9.sce
new file mode 100755
index 000000000..308349a5b
--- /dev/null
+++ b/1847/CH3/EX3.9/Ch03Ex9.sce
@@ -0,0 +1,14 @@
+// Scilab Code Ex3.9:: Page-3.24 (2009)
+clc; clear;
+lambda = 6600e-008;     // Wavelength of light used, cm
+a = 0.018;    // Width of the slit, cm
+f = 200;        // Focal length of the lens, cm
+n = 1;      // Order for first order diffraction
+// As a*sin(theta) = n*lambda, a*theta = n*lambda
+// As theta = lambda/a and theta = x/f, solving for x
+x = lambda*f/a;     // Half angular width at central maximum, cm
+
+printf("\nThe width of central maximum = %3.1f cm", 2*x);
+
+// Result 
+// The width of central maximum = 1.5 cm 
-- 
cgit