Nuclear radiation (AQA GCSE Physics Combined Science): Quizzes
📚Quizzes
Practise the questions
12 questions from this quiz
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Practise the questions
12 questions from this quiz
What is the key characteristic of radioactive decay?
What is the key characteristic of radioactive decay?
It is completely random
What is an alpha particle?
What is an alpha particle?
A helium nucleus (2 protons, 2 neutrons)
What is the charge of an alpha particle?
What is the charge of an alpha particle?
+2
What is a beta particle?
What is a beta particle?
A high-speed electron from the nucleus
What are the mass and charge of gamma rays?
What are the mass and charge of gamma rays?
Mass = 0, Charge = 0
At what speed do gamma rays travel?
At what speed do gamma rays travel?
Speed of light
What is the charge of a neutron?
What is the charge of a neutron?
0 (no charge)
Which type of radiation has the highest ionising power?
Which type of radiation has the highest ionising power?
Alpha
Which type of radiation has the lowest ionising power?
Which type of radiation has the lowest ionising power?
Gamma
What can stop alpha particles?
What can stop alpha particles?
Paper or a few cm of air
What material stops beta particles?
What material stops beta particles?
Thin aluminium (about 3mm thick)
What is the relationship between ionising and penetrating power?
What is the relationship between ionising and penetrating power?
High ionising = low penetrating