Page 66 - Hybrid PBD KSSM 2021 Tg 5 - Fizik

Fizik Tingkatan 5 Bab 6
BAB

6 Fizik Nuklear

Nuclear Physics

Peta
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FOKUS TOPIK Konsep

Reputan Radioaktif
Radioactive Decay
Reputan radioaktif ialah proses stabil menjadi tidak stabil dengan memancarkan sinaran radioaktif.
Radioactive decay is a process in which unstable nucleus becomes more stable by emitting radioactive radiation.
Jenis-jenis reputan radioaktif
i-Think
i-Think
Types of radioactive decay i-Think Peta Pokok

Alfa Beta Gama
Alpha Beta Gamma

Contoh / Example: Contoh / Example: Contoh / Example:
210 Po → 206 Pb + He 24 Na → Mg + e 60 Co → Co + γ
24
4
60
0
84 82 2 11 12 –1 27 27
Tenaga Nuklear
Nuclear energy
Tindak balas nuklear terbahagi kepada dua jenis iaitu pembelahan nukleus dan pelakuran nukleus.
Nuclear reaction is divided into two types which is nuclear fission and nuclear fusion.

+ +
+
92 Kr 4
36 2 + ( He)
Deuterium ( H) 2
1
Tenaga 3 n + Tenaga
1
1 n Energy 0 + Energy
0 235 U
92 236 U
3
92 141 Ba Tritium( H) Neutron
56 1
235 U + 1 n 236 U 141 Ba + 92 Kr + 3 n + Tenaga 2 H + 3 H 4 He + 1 n + Tenaga
1
92 0 92 56 36 0 Energy 1 1 2 0 Energy
Pembelahan nukleus Pelakuran nukleus
Nuclear fission Nuclear fusion

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Bab 6.indd 174 11/19/21 3:33 PM