Cambridge IGCSE Physics practice

Paper 4 structured question: Radioactive decay

Try the question first, then check the answer and practise the same topic again.

At a glance

Paper

Marks

Topic

Radioactive decay

Exam-style question

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Paper 4Theory (Extended)1 marks

Nuclear decay processes are essential for understanding atomic stability.

Description

Alpha decay, beta decay, and gamma emissions are three types of nuclear decay that affect the stability of atomic nuclei.

a
State the type of particle emitted during alpha decay.
Your answer
Aim for approximately 1 distinct marking point.
[1]

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Paper 4Theory (Extended)3 marks

Description

During beta decay, a neutron in the nucleus is converted into a proton, resulting in the emission of an electron.

a
Explain how beta decay affects the stability of the nucleus.
Your answer
Aim for approximately 3 distinct marking points.
[3]