From 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 Mon Sep 17 00:00:00 2001
From: prashantsinalkar
Date: Tue, 10 Oct 2017 12:27:19 +0530
Subject: initial commit / add all books

---
 3856/CH20/EX20.1/Ex20_1.sce | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 3856/CH20/EX20.1/Ex20_1.sce

(limited to '3856/CH20/EX20.1/Ex20_1.sce')

diff --git a/3856/CH20/EX20.1/Ex20_1.sce b/3856/CH20/EX20.1/Ex20_1.sce
new file mode 100644
index 000000000..3a48add85
--- /dev/null
+++ b/3856/CH20/EX20.1/Ex20_1.sce
@@ -0,0 +1,21 @@
+//To Calculate the smallest Diffraction Angle
+
+//Example 20.1
+
+clc;
+
+clear;
+
+a=2.6*10^-10;//Edge Length of Cubic Lattice
+
+h=1;//Miller Indice h
+
+k=1;//Miller Indice k
+
+l=1;//Miller Indice l
+
+lambda=1.542*10^-10;//Wavelength of light
+
+theta=asin(lambda*sqrt(h^2+k^2+l^2)/(2*a))*180/%pi;
+
+printf("Smallest Diffraction Angle=%.1f degrees",theta);
-- 
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