blob: 589cf1fdd399a6da2a649df298008cff52cae2c3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
|
//Chapter-3,Example 5,Page 57
clc;
close;
//Part (a)
t_half= 1620 //half life of radium
lamda= 0.693/t_half
//as radium lose one centigram mass
N_0=100 // in centigram
N_1=N_0-1
t_1=log10(N_0/N_1)/(lamda*log10(%e))
printf('Part (a)---total number of years required are %.2f years ',t_1)
// Part (b)
N_2= 1
t_2=log10(N_0/N_2)/(lamda*log10(%e))
printf('\n Part (b)---total number of years required are %.2f years ',t_2)
|
