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| author | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
|---|---|---|
| committer | prashantsinalkar | 2017-10-10 12:27:19 +0530 |
| commit | 7f60ea012dd2524dae921a2a35adbf7ef21f2bb6 (patch) | |
| tree | dbb9e3ddb5fc829e7c5c7e6be99b2c4ba356132c /2465/CH3/EX3.8/Example_8.sce | |
| parent | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (diff) | |
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initial commit / add all books
Diffstat (limited to '2465/CH3/EX3.8/Example_8.sce')
| -rw-r--r-- | 2465/CH3/EX3.8/Example_8.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/2465/CH3/EX3.8/Example_8.sce b/2465/CH3/EX3.8/Example_8.sce new file mode 100644 index 000000000..3011a501e --- /dev/null +++ b/2465/CH3/EX3.8/Example_8.sce @@ -0,0 +1,23 @@ +//Chapter-3,Example 8,Page 58
+clc;
+close;
+
+// U(238)=(U(238) + Pb(206)) * exp(-lamda*t)
+
+// 1 = (1 + Pb(206)/U(238)) * exp(-lamda*t)
+
+//since Pb(206)/U(238) = 0.5
+
+// 1 = (1 + 0.5) * exp(-lamda*t)
+
+t_half = 4.5 *10^9 //half life of Uranium
+
+lamda = 0.693/t_half
+
+t= log10(1.5)/(log10(%e)*lamda)
+
+printf('the age of the rock specimen is ')
+
+disp(t)
+
+printf(' years')
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