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