
Fizik Tingkatan 5 (Keradioaktifan 2)
Quiz
•
Physics
•
1st Grade
•
Medium
LAW Moe
Used 1K+ times
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Tiga jenis sinaran radioaktif, P,Q dan R, dihalakan kepada kepingan kertas, kepingan aluminium dan kepingan plumbum. Antara sinaran berikut, yang manakah diwakili oleh P, Q dan R?
P : Alfa
Q : Gama
R : Beta
P : Beta
Q : Alfa
R : Gama
P : Gama
Q : Alfa
R : Beta
P : Gama
Q : Beta
R : Alfa
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Jadual menunjukkan saparuh hayat bagi empat jenis cecair isotop yang memancarkan sinar gama. Isotop cecair yang manakah sesuai digunakan untuk mengesan pembekuan darah?
P
Q
R
S
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rajah menunjukkan siri pereputan radioaktif bagi nukles uranium-238 kepada nukleus radium-226. Berapakah bilangan zarah alfa dan zarah beta yang dipancarkan dalam proses ini?
Bilangan zarah alfa = 2
Bilangan zarah beta = 3
Bilangan zarah alfa = 3
Bilangan zarah beta = 2
Bilangan zarah alfa = 4
Bilangan zarah beta = 1
Bilangan zarah alfa = 1
Bilangan zarah beta = 1
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara pernyataan-pernyataan berikut yang manakah merupakan ciri sinar beta?
Zarah bercas positif
Ianya adalah satu gelombang elektromagnet
Mempunyai kuasa pengionan lebih tinggi daripada alfa
Mempunyai kuasa penembusan lebih rendah daripada gama.
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Persamaan berikut mewakili proses reputan bagi uranium-219.
Berapakah nilai X and Y?
X = 1
Y = 1
X = 2
Y = 1
X = 1
Y = 2
X = 2
Y = 2
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Persamaan di atas menunjukkan satu nukleus Polonium memancarkan zarah alfa dan sinar gamma untuk membentuk nukleus Plumbum. Kombinasi manakah yang betul bagi x dan y?
x = 214
y = 2
x = 214
y = 4
x = 206
y = 2
x = 206
y = 4
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Radioaktif manakah yang boleh digunakan untuk menentukan usia suatu fosil?
Iodin - 131
Carbon - 14
Radium - 226
Uranium - 235
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