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5.2 Radioactivity

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Question 248

Which properties must a radioisotope have for it to be suitable for use as a medical tracer injected into a patient?

A

Half-life of several hours; emitting α\alphaα only

B

Half-life of several hours; emitting γ\gammaγ only

C

Half-life of several years; emitting β\betaβ only

D

Half-life of several years; emitting γ\gammaγ only

Markscheme

5.2 Radioactivity Questions

  1. IGCSE
  2. /Physics
  3. /5.2 Radioactivity

484 exam-style questions on CIE IGCSE Physics 5.2 Radioactivity, covering 5.2.1 Background radiation and measuring count rate, 5.2.2a Alpha, beta and gamma emission, 5.2.2b Deflection and ionising effects of nuclear radiation, 5.2.3a Radioactive decay, 5.2.3b Effects of decay on the nucleus and decay equations, 5.2.4a Half-life, 5.2.4b Choosing isotopes for applications, and 5.2.5 Effects of ionising radiation and safety precautions. Each one has a worked solution and a mark scheme showing where the marks go.

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