Kenapa Kobalt-60 digunakan dalam bidang perubatan untuk menjalankan radioterapi?
FIZIK SPM BAB 5: RADIOAKTIF II

Quiz
•
Physics
•
11th - 12th Grade
•
Medium
UMAIR MOHAMAD
Used 41+ times
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
mempunyai separuh hayat yang singkat
memancarkan sinar gamma yang membunuh sel
tiada kesan sampingan
mudah didapati
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radioisotop _______ digunakan secara meluas di dalam bidang kaji purba (arkeologi) untuk menentukan usia barang antik.
Karbon-14
Uranium-238
Iodin-131
Kobalt-60
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Yang manakah berikut kegunaan sinaran radioaktif dalam kehidupan harian?
sebagai penyurih (traces) dalam bidang perubatan
Radioterapi
pengawetan makanan
pensterilan
periskop
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
1 unit jisim atom (u.j.a.) ditakrifkan sebagai jisim yang sama dengan ______ daripada jisim atom karbon-12.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"satu tindak balas di mana satu nukleus yang berjisim besar dipecahkan kepada dua atau lebih nukleus yang baru yang lebih ringan dan lebih stabil"
Ini adalah definasi bagi
tindakbalas berantai (chain reaction)
pembelahan nukleus (nuclear fission)
pelakuran nukleus (nuclear fusion)
bom atom (atomic bomb)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
bom atom adalah kesan tindak balas berantai yang _____________.
terkawal
tidak terkawal
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
"dua atom yang ringan bercantum untuk membentuk satu atom yang lebih besar di samping membebaskan tenaga haba yang besar"
pembelahan nukleus (nuclear fission)
tindakbalas berantai (chain reaction)
pelakuran nukleus (nuclear fusion)
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