Stable and unstable nuclei (AQA A-Level Physics): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What is the primary role of the strong nuclear force?
What is the primary role of the strong nuclear force?
Holds nucleus together
At what separation is the strong nuclear force attractive between nucleons?
At what separation is the strong nuclear force attractive between nucleons?
to fm
What happens to the strong nuclear force at separations below fm?
What happens to the strong nuclear force at separations below fm?
It becomes strongly repulsive
Beyond fm separation, which force dominates?
Beyond fm separation, which force dominates?
Electrostatic repulsion
What causes a nucleus to be unstable?
What causes a nucleus to be unstable?
Imbalance in protons and neutrons
What does an alpha particle consist of?
What does an alpha particle consist of?
protons and neutrons
In alpha decay, how does the proton number change?
In alpha decay, how does the proton number change?
Decreases by
Which type of nuclei undergo beta-minus decay?
Which type of nuclei undergo beta-minus decay?
Neutron-rich nuclei
In beta-minus decay, how does the nucleon number change?
In beta-minus decay, how does the nucleon number change?
Remains the same
Why was the neutrino hypothesised in beta decay?
Why was the neutrino hypothesised in beta decay?
To conserve energy and momentum