
keradioaktifan sains tingkatan 3
Quiz
•
Science
•
3rd Grade
•
Practice Problem
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Medium
Standards-aligned
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Siapakah ahli sains yang menemukan sinar-X yang boleh menembusi tisu manusia?
Antoine Henri Becquerel
Wilhelm Conrad Rontgen
Ernest Rutherford
Marie Sklodowska Curie
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apakah maksud bahan radioaktif?
Unsur yang mempunyai nukleus yang stabil.
Unsur yang mempunyai nukleus yang tidak stabil.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Berikan maksud keradioaktifan.
Proses pemancaran sinaran radioaktif secara spontan dan rawak daripada bahan radioaktif yang tidak stabil menjadi unsur yang lebil stabil.
Proses pemancaran sinaran radioaktif secara rawak daripada radioaktif yang stabil menjadi unsur yang tidak stabil
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Definisikan konsep separuh hayat pereputan radioaktif.
Bilangan nukleus dalam bahan radioaktif adalah sama sebelum dan selepas mereput.
Masa yang diambil oleh atom-atom radioaktif untuk tidak mereput.
Masa yang diambil oleh atom-atom radioaktif untuk mereput kepada separuh daripada bilangan asalnya.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Zarah subatom yang manakah tidak mempunyai cas?
Proton
Elektron
Neutron
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Sinar manakah yang akan terpesong kepada plat positif?
Sinar gama
Sinar beta
Sinar alfa
Sinar-X
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yang manakah merupakan gelombsang elektromagnet berfrekuensi tinggi?
Sinar gama
Sinar alfa
Sinar beta
Tags
NGSS.HS-PS4-4
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