diff options
Diffstat (limited to '1271/CH12/EX12.14')
| -rwxr-xr-x | 1271/CH12/EX12.14/14.txt | 1 | ||||
| -rwxr-xr-x | 1271/CH12/EX12.14/example12_14.sce | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/1271/CH12/EX12.14/14.txt b/1271/CH12/EX12.14/14.txt new file mode 100755 index 000000000..5bc6bd09c --- /dev/null +++ b/1271/CH12/EX12.14/14.txt @@ -0,0 +1 @@ + Half life of sample is 3.652905 days.
\ No newline at end of file diff --git a/1271/CH12/EX12.14/example12_14.sce b/1271/CH12/EX12.14/example12_14.sce new file mode 100755 index 000000000..a102bd7ba --- /dev/null +++ b/1271/CH12/EX12.14/example12_14.sce @@ -0,0 +1,11 @@ +clc +// Given that +t = 10 // time in days +r = 15 // percentage fraction of sample which remain +// Sample Problem 14 on page no. 12.36 +printf("\n # PROBLEM 14 # \n") +printf("Standard formula used \n") +printf(" lambda = 0.693 / t_1/2 (Decay constant) \n N =N_0*e^(-lambda*t) \n") +lambda = log(100 / 15) / t +T = 0.693 / lambda +printf("\n Half life of sample is %f days.",T) |