ฟิสิกส์นิวเคลียร์

1. 20
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2. F ˆ F www.schoolDD.com 1
20
Tips
F F
F F ܺ௓
஺
X A (= )
Z (= )
ˈ F F F ܷଽଶ
ଶଷ଼
=238.05u
ˈ ˂ F F ܷଽଶ
ଶଷ଼
˂ +92e
(ࢻ) ˂ +2e F ‫݁ܪ‬ଶ
ସ
(ࢼ) ˂ -1e F ݁ିଵ
଴
(ࢽ) ˈ ˂ F F ߛ
(n) ˈ ˂ F F ݊଴
ଵ
(p) ˂ +1e F ‫ܪ‬ଵ
ଵ
p
n
Tips
(ࢻ) (ࢼ) (ࢽ)
- F F F
- ߙ > ߚ > ߛ
- ߙ > ߚ > ߛ
- F ˈ ߙ > ߚ > ߛ
- ߛ > ߚ > ߙ
- ߙ(+2e) , ߚ (-1e) , ߛ(0)

3. F ˆ F www.schoolDD.com 2
Tips
F F ˆ F F F ˈ F F
F F
A = t F
A0 = F (t = 0)
t = F
T1/2 =
- ˈ F ˈ F F F F
F α , ߚ , ߛ
- F F
A =
஺బ
ଶ೙
n =
௧
்భ/మ
Tips
( ) F F
F F F F ‫ܥ‬଺
ଵଶ
, ‫ܥ‬଺
ଵଷ
, ‫ܥ‬଺
ଵସ
ˈ F
F F
Tips
F
- F F F A0
- F F F A
- F F A0-A
- F F F t
- F F F F F T1/2
- F T1/2 =
௟௡ଶ
ఒ
ߣ = F = F F
A0 - AAA0

4. F ˆ F www.schoolDD.com 3
Tips
F
N଻
ଵସ
+ Heଶ
ସ
+ 1.19 MeV ՜ O଼
ଵ଻
+ Hଵ
ଵ
( )
Liଷ
଻
+ Hଵ
ଵ
՜ Heଶ
ସ
+ Heଶ
ସ
+ 17.3 MeV ( )
1. F F
2. + F F
- F F F
- F F
- F F
- F F
- F F F F F F
F ˂
F
F F E = mc2
F
- 1 u = 1.66x10-27
Kg = 931 Mev
- 1 eV = 1.6x10-19
J
Tips
F
- F F
Uଽଶ
ଶଷ଼
՜ Uଽ଴
ଶଷସ
+ Heଶ
ସ

5. F ˆ F www.schoolDD.com 4
Tips
F
- F F F F
- F Co-60
- F F
- F I-131 F F
- F P-32 F F
- F C-14
- F Na-24
Tips
ʽ ʽ
ʽ ˈ F ˈ
ʽ ˈ F ˈ
- ʽ F F F F F F F ˈ
- ʽ
- F ʽ F ( ݁ଵ
଴
)
- ʽ F F F
- ʽ ʽ F

6. F ˆ F www.schoolDD.com 5
Tips
˂
1. F ˈ F F F F F
2. F F F
3. F F F
4. F F F F
Tips
1. F ˁ F F F ˈ F
2. F F F F
3. F F ˈ F F