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

---
 2939/CH4/EX4.23/Ex4_23.sce | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100755 2939/CH4/EX4.23/Ex4_23.sce

(limited to '2939/CH4/EX4.23/Ex4_23.sce')

diff --git a/2939/CH4/EX4.23/Ex4_23.sce b/2939/CH4/EX4.23/Ex4_23.sce
new file mode 100755
index 000000000..9bbbf28b8
--- /dev/null
+++ b/2939/CH4/EX4.23/Ex4_23.sce
@@ -0,0 +1,23 @@
+
+//Ex4_23
+clc;
+
+// Given:
+
+t=1.83*10^9;// in years
+// Solution:
+// Part (a)
+k=(0.693)/(t*3.16*10^7);
+k1=(0.693*10^17)/(t*3.16*10^7);// in 10^-17 s^-1
+printf("\n The overall decay constant will be %f*10^-17 s^-1",k1)
+// Part (b)
+a=(6.022*10^23)/40; // atoms of K(40)
+A=a*k;// activity
+printf("\n The activity for k(40) is %f beta/s",A)
+
+// Part (c)
+a1=(6.022*10^23*1.2*10^-4)/41; // atoms of K(41)
+A1=a1*k;// activity
+printf("\n The activity for k(41) is %f beta/s",A1)
+
+
-- 
cgit