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

---
 2672/CH4/EX4.19/Ex4_19.sce | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100755 2672/CH4/EX4.19/Ex4_19.sce

(limited to '2672/CH4/EX4.19/Ex4_19.sce')

diff --git a/2672/CH4/EX4.19/Ex4_19.sce b/2672/CH4/EX4.19/Ex4_19.sce
new file mode 100755
index 000000000..303595e64
--- /dev/null
+++ b/2672/CH4/EX4.19/Ex4_19.sce
@@ -0,0 +1,15 @@
+//Example 4_19
+clc;
+clear;
+close;
+format('v',8);
+//given data : 
+c=3*10^8;//m/s//Speed of light
+h=1.05*10^-34;//Js//Planks Constant
+mc=0.067;//mo
+mc=mc*0.91*10^-30;//kg
+E=0.3;//eV
+E=E*1.6*10^-19;//J
+//Formula//E=3*h^2*kx^2/2/mc
+kx=sqrt(2*mc*E/3/h^2);//m^-1
+disp(kx,"Smallest k-vector along x-direction(m^-1)");
-- 
cgit