Practise

Question bank

Original exam-style questions, mapped to your syllabus. Answers are checked for mathematical equivalence and every attempt updates your mastery.

12 questions

SA-5054-NP2-0011 markL1 FoundationCalculatorα, β, γ

Which type of radiation is the most strongly ionising?

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SA-5054-NP2-0021 markL1 FoundationCalculatorα, β, γ

Which radiation is stopped by a sheet of paper?

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SA-5054-NP2-0031 markL1 FoundationCalculatorα, β, γ

Gamma radiation is

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SA-5054-NP2-0041 markL1 FoundationCalculatorα, β, γ

A beta particle is

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SA-5054-NP2-0051 markL1 FoundationCalculatorDecay equations

^{226}_{88}\text{Ra}

decays by alpha emission. State the proton number of the new nucleus.

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SA-5054-NP2-0061 markL1 FoundationCalculatorDecay equations

^{226}_{88}\text{Ra}

decays by alpha emission. State the nucleon number of the new nucleus.

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SA-5054-NP2-0091 markL1 FoundationCalculatorα, β, γ

A GM counter near a source records

85

counts per minute. The background count rate is

25

counts per minute. Calculate the count rate due to the source.

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SA-5054-NP2-0101 markL1 FoundationCalculatorα, β, γ

Which is a natural source of background radiation?

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SA-5054-NP2-0121 markL1 FoundationCalculatorα, β, γ

Radioactive decay is described as random. This means

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SA-5054-NP2-0071 markL2 StandardCalculatorDecay equations

Carbon-14 (

Z=6

) decays by beta emission. State the proton number of the nucleus formed.

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SA-5054-NP2-0081 markL2 StandardCalculatorα, β, γ

α, β and γ radiation pass through an electric field. Which statement is correct?

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SA-5054-NP2-0112 marksL3 ExamCalculatorDecay equations

^{238}_{92}\text{U}

decays by one alpha emission followed by two beta emissions. Find (a) the nucleon number and (b) the proton number of the final nucleus.

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