Reputan Radioaktif
Quiz
•
Physics
•
11th Grade
•
Practice Problem
•
Medium
RUSNITA Moe
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berapakah bilangan neutron dalam nukleus?
82
126
208
290
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Berikut adalah jenis-jenis sinaran radioaktif kecuali
zarah alfa
zarah beta
sinar gama
sinar X
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ciri manakah BUKAN menghuraikan zarah beta dengan betul
bercas negatif
boleh dihalang oleh sekeping kertas
berjisim kecil
kuasa pengionan sederhana
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Reputan radioaktif dihuraikan sebagai spontan dan rawak. Apakah yang dimaksudkan dengan spontan dalam konteks ini?
Reputan radioaktif tidak dipengaruhi oleh sebarang situasi atau bahan
Mustahil untuk meramalkan atom seterusnya yang akan mereput
Reputan radioaktif hanya dipengaruhi oleh sifat bahan kimia
Reputan radioaktif adalah eksponen
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Rajah menunjukkan graf mewakili reputan suatu bahan radioaktif. Sekiranya keaktifan awal bahan radioaktif itu ialah 2 000 kiraan per minit, berapakah keaktifannya selepas 2 jam
125
500
1000
250
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Persamaan menunjukkan pereputan nukleus uranium. Tentukan bilangan zarah alfa dan zarah beta yang terhasil.
2 alfa, 2 beta
3 alfa, 2 beta
2 alfa, 3 beta
3 alfa, 3 beta
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Sebuah artifak yang yang ditemui didapati mengandungi 1/16 daripada bilangan asal karbon radioaktif. Hitung usia artifak itu jika separuh hayat bagi karbon radioaktif ialah 1 200 tahun
6 000 tahun
4 800 tahun
3 600 tahun
1 200 tahun
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