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Radioactivity (A-level only)

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Question 19

The rate of decay of this sample is proportional to:

A

mm0T1/2\dfrac{m}{m_0 T_{1/2}}m0​T1/2​m​

B

m0mT1/2\dfrac{m_0 m}{T_{1/2}}T1/2​m0​m​

C

mT1/2m0\dfrac{m T_{1/2}}{m_0}m0​mT1/2​​

D

m0mT1/2\dfrac{m_0}{m T_{1/2}}mT1/2​m0​​

Markscheme

Radioactivity (A-level only) Questions

  1. A Level
  2. /Physics
  3. /Radioactivity (A-level only)

128 exam-style questions on AQA A Level Physics Radioactivity (A-level only), covering Rutherford scattering (A-level only), $\alpha$ , $\beta$ and $\gamma$ radiation (A-level only), Radioactive decay (A-level only), Nuclear instability (A-level only), Nuclear radius (A-level only), Mass and energy (A-level only), Induced fission (A-level only), and Safety aspects (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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