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5.2.2a Alpha, beta and gamma emission

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Question 74

Which of the following statements about the applications of radioactive emissions is not correct?

A

γ\gammaγ-radiation is used to sterilize medical equipment because it kills bacteria and can penetrate packaging.

B

α\alphaα-particles are used as radioactive tracers in the human body because they can be easily detected from outside the body.

C

β\betaβ-particles are used to monitor and control the thickness of plastic or paper sheets in industries.

D

Smoke detectors use an α\alphaα-source to ionize the air between two electrodes.

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5.2.2a Alpha, beta and gamma emission Questions

  1. IGCSE
  2. /Physics
  3. /5.2.2a Alpha, beta and gamma emission

134 exam-style questions on CIE IGCSE Physics 5.2.2a Alpha, beta and gamma emission. Each one has a worked solution and a mark scheme showing where the marks go.

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