Biomedical Engineering Reference
In-Depth Information
Table 11.6
Problem 72
i
R
i
1
0.1018
2
0.7365
3
0.3248
4
0.4985
5
0.8685
6
0.2789
(c)
What is the probability that a collision will result in an
energy loss
Q
between 300 eV and 350 eV?
(d)
Write an analytic function for the cumulative probability
P
c
(
Q
)
for energy loss
≤
Q
.
(e)
Use
P
c
(
Q
)
from part (d) to solve part (c).
(f)
Calculate the median energy loss.
11.16
Answers
10
4
2.
(a)
0.648
25.
(b)
0.421
27.
(a)
1580
(c)
0.648
(b)
39.7
4.
(a)
1.67
(c)
7.95 cpm
(b)
0.0610
28.
(a)
312 cpm
5.
1.18
(b)
7.90 cpm
8.
(a)
4.86
(c)
0.420
(b)
27.0
(d)
0.918
(c)
1.84
29.
(a)
2.25 cpm
10.
(a)
10
7
(b)
116 min
3.28
×
(b)
0.108 Bq
32.
(a)
0.0342 Bq
(c)
0.0475 Bq
(b)
51.4 min
t
b
=
14.
(a)
39.7 Bq
58.6 min
t
g
=
(b)
0.933 Bq
40.
0.247 Bq
(c)
11.0 min
41.
348 Bq
15.
(a)
0.0858
42.
(a)
54
(b)
0.00173
(b)
123 Bq
21.
(a)
0.0303
(c)
307 Bq
(b)
0.0543
(d)
No sign. act.
23.
(a)
±
6.89 cpm
(b)
(e)
104 Bq
13.6 min
(f)
222 Bq
24.
(a)
0.0780
46.
(a)
47
(b)
Yes
(b)
0.030
