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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /2243/CH8/EX8.12/Ex8_12.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
initial commit / add all books
Diffstat (limited to '2243/CH8/EX8.12/Ex8_12.sce')
| -rwxr-xr-x | 2243/CH8/EX8.12/Ex8_12.sce | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/2243/CH8/EX8.12/Ex8_12.sce b/2243/CH8/EX8.12/Ex8_12.sce new file mode 100755 index 000000000..6ac2898db --- /dev/null +++ b/2243/CH8/EX8.12/Ex8_12.sce @@ -0,0 +1,10 @@ +clc();
+clear;
+//Given :
+T_half = 8 ; // iodine 131 haf life in days
+lambda = 0.693/T_half ; // decay constant in decays/day
+N0 = 20 ; // mass in mg
+t = 48; // time in days
+N = N0*exp(-lambda*t); // in mg
+printf("Original amount : %d mg \n",N0);
+printf("Remaining amount after 48 days : %.3f mg",N);
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