
Keradioaktifan
Authored by D20191088641 Amira Raudhah
Science
5th Grade
Used 215+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berapakah tokoh sains yang menemukan radioaktif?
2
3
4
5
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Siapakah yang menemukan sinar-X?
Antoine Henri Becquerel
Marie dan Pierre Curie
Wilhelm Roentgen
Ernest Rutherford
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Nyatakan tiga jenis sinaran radioaktif
zarah alfa (sinar alfa)
sinaran inframerah
zarah beta (sinar beta)
sinar gama
Semua pilihan jawapan
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah definisi keradioaktifan?
keradioaktifan merupakan proses pereputan secara rawak dan spontan bagi nukleus yang tidak stabil dengan memancarkan sinaran radioaktif
keradioaktifan merupakan proses rawak dan spontan, iaitu nukleus yang tidak stabil memancarkan sinaran radioaktif sehingga nukleus tersebut menjadi lebih stabil
keradioaktifan merupakan proses rawak dan spontan, iaitu nukleus yang tidak stabil memancarkan sinaran radioaktif
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah unit S.I. bagi keradioaktifan?
Ci
Bq
J
Km
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Apakah yang dimaksudkan dengan separuh hayat pereputan radioaktif?
tempoh masa yang diambil untuk bilangan nukleus yang belum
mereput berkurang menjadi setengah daripada nilai asalnya
tempoh masa yang diambil untuk bilangan nukleus yang belum
mereput berkurang menjadi suku daripada nilai asalnya
tempoh masa yang diambil untuk bilangan nukleus yang belum
mereput berkurang daripada nilai asalnya
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