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/EX4.11/Ex4_11.sce | 14 ++++++++++++++
 1 file changed, 14 insertions(+)
 create mode 100755 2672/CH4/EX4.11/Ex4_11.sce

(limited to '2672/CH4/EX4.11/Ex4_11.sce')

diff --git a/2672/CH4/EX4.11/Ex4_11.sce b/2672/CH4/EX4.11/Ex4_11.sce
new file mode 100755
index 000000000..1ec7e0902
--- /dev/null
+++ b/2672/CH4/EX4.11/Ex4_11.sce
@@ -0,0 +1,14 @@
+//Example 4_11
+clc;
+clear;
+close;
+format('v',6)
+//given data : 
+h=1.05*10^-34;//Js//Planks Constant
+e=1.6*10^-19;//C///Charge on electron
+E0=10^4;//V/cm
+a=5.62*10^-8;//cm//lattice constant for n-GaAs
+kB=2*%pi/a;//cm^-1///Brillouin Edge
+tau=h*kB/e/E0*10^12;//ps
+disp(tau,"Time taken by electron to reach Brillouin Zone(ps)");
+//Answer given in the textbook is wrong
-- 
cgit