BAB 8 KERADIOAKTIFAN TINGKATAN 3
Quiz
•
Science
•
KG - 3rd Grade
•
Medium
halijah baharun
Used 15+ times
FREE Resource
30 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Beliau menemukan sinar-X secara tidak sengaja dan mengambil foto sinar-X tangan isterinya.
Wilhelm Roentgen
Henri Becquerel
Marie Curie
Pierre Curie
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Ahli fizik Perancis yang menemukan keradioaktifan dan Uranium yang memancarkan sinaran yang menghitamkan plat fotografi walaupun dalam keadaan gelap.
Wilhelm Roentgen
Henri Becquerel
Marie Curie
Pierre Currie
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berjaya mengesan pancaran radioaktif melalui kuasa pengionannya dan mengestrak polonium dan radium (radioaktif) daripada bijih uranium.
Wilhelm Roentgen
Henri Becquerel
Marie dan Pierre Curie
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikut merupakan bahan radioaktif KECUALI?
Karbon-12
Karbon-14
Kobalt-60
Torium-234
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Unit S.I. bagi keradioaktifan ialah
coulomb
becquerel
pascal
weber
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah nama kaedah yang digunakan oleh para arkeologi untuk menganggarkan umur fosil tersebut?
pengawetan
radioterapi
pentarikhan radioaktif
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Definisi terbaik bagi 'separuh hayat pereputan radioaktif' ialah
tempoh masa yang diambil untuk nukleus mereput sepenuhnya.
tempoh masa yang diambil untuk bilangan nukleus yang belum mereput berkurang menjadi setengah dari nilai asal
tempoh masa yang diambil untuk bilangan nukleus yang belum mereput berkurang menjadi dari nilai asal.
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