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

---
 3014/CH2/EX2.18/Ex2_18.sce | 12 ++++++++++++
 3014/CH2/EX2.18/Ex2_18.txt |  3 +++
 2 files changed, 15 insertions(+)
 create mode 100755 3014/CH2/EX2.18/Ex2_18.sce
 create mode 100755 3014/CH2/EX2.18/Ex2_18.txt

(limited to '3014/CH2/EX2.18')

diff --git a/3014/CH2/EX2.18/Ex2_18.sce b/3014/CH2/EX2.18/Ex2_18.sce
new file mode 100755
index 000000000..a8a499c0d
--- /dev/null
+++ b/3014/CH2/EX2.18/Ex2_18.sce
@@ -0,0 +1,12 @@
+clc 
+//given that
+del_t = 2e-12 // lifetime of exited state in  sec
+h = 6.63e-34 // Plank constant
+printf("Example 2.18")
+h_bar = h / (2*%pi) // constant
+del_E = h_bar/(1.6e-19*2*del_t) // calculation of uncertainty in momentum
+printf("\n Minimum error in measurement of energy of this state is %e eV.\n\n\n",del_E)
+// Answer in book is 1.65e-4 eV
+
+
+ 
diff --git a/3014/CH2/EX2.18/Ex2_18.txt b/3014/CH2/EX2.18/Ex2_18.txt
new file mode 100755
index 000000000..5f8e25a3f
--- /dev/null
+++ b/3014/CH2/EX2.18/Ex2_18.txt
@@ -0,0 +1,3 @@
+
+Example 2.18
+ Minimum error in measurement of energy of this state is 1.648746e-04 eV.
-- 
cgit