
F3 SC BAB 8

Quiz
•
Science
•
1st - 7th Grade
•
Medium
SCIENCE SGL
Used 28+ times
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12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Maklumat berikut menunjukkan penemuan daripada seorang saintis.
The following information shows the discovery from a scientist.
• Orang pertama yang berjaya menemukan keradioaktifan
The first person to successfully discover radioactivity
• Beliau menemukan uranium, iaitu suatu sebatian radioaktif
He found uranium, which is a radioactive compound
Siapakah saintis tersebut?
Who is the scientist?
Antoine Henri Becquerel
Wilhelm Conrad Roentgen
Pierre Curie
Marie Curie
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rajah 1 menunjukkan suatu proses.
Diagram 1 shows a process.
Proses ini dikenali sebagai
This process is known as
pembelahan nukleus
nuclear fission
pereputan radioaktif
radioactive decay
pelakuran nukleus
nuclear fusion
proses pengionan
ionising process
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bahan radioaktif Q mempunyai separuh hayat 9 minit. Berapakah masa yang diambil untuk atomnya mereput kepada 1 g jika jisim asalnya ialah 8 g?
Radioactive substance Q has a half-life of 9 minutes. What is the time taken for the atom to decay to 1 g if its initial mass is 8 g?
9 minit / minutes
18 minit / minutes
27 minit / minutes
36 minit / minutes
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Separuh hayat protaktinium-234 ialah 5.2 jam. Jika jisim asal protaktinium-234 ialah 80 g, hitung jisim protaktinium-234 selepas 15.6 jam.
The half-life of protactinium-234 is 5.2 hours. If the initial mass of protactinium-234 is 80 g, calculate the mass of protactinium-234 after 15.6 hours.
40 g
20 g
10 g
5 g
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rajah 2 menunjukkan graf keaktifan melawan masa bagi bahan radioaktif X.
Diagram 2 shows the graph of activity against time of radioactive substance X.
Berapakah separuh hayat bagi bahan radioaktif X?
What is the half-life of radioactive substance X?
20 s
40 s
60 s
80 s
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Rajah 3 menunjukkan suatu aktiviti yang dilakukan oleh Mazlan.
Diagram 3 shows an activity done by Mazlan.
Pemberat 200 N diangkat oleh Mazlan setinggi 1.5 m dalam masa 3 saat. Hitung kuasa yang diperlukan untuk mengangkat pemberat itu.
A 200 N weight is lifted by Mazlan to a height of 1.5 m in 3 seconds. Calculate the power needed to lift the weight.
100 W
300 W
600 W
900 W
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Antara yang berikut, yang manakah menunjukkan kerja dilakukan?
Which of the following shows work done?
menolak dinding
pushing a wall
duduk di atas lantai
sitting on the floor
mendayung sampan
rowing a boat
membaca buku di dalam kelas
reading a book in the class
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