Physics 9702 · AS & A Level · Atoms, nuclei and radiation

Atoms, nuclei and radiation — practice question

A radioactive source gives off $\alpha$-radiation and $\gamma$-radiation. Explain how it may be demonstrated that the source does not give off $\beta$-radiation using
(a)[2]

the absorption characteristics of the radiation.

(b)[2]

how the radiation behaves in a magnetic field.

Worked solution & mark scheme

This 4-mark question has a full step-by-step worked solution and mark scheme. One marking point: “Thin paper lowers the count rate, so $\alpha$ is present” …

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