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5.2.2a Alpha, beta and gamma emission

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Question 20
a.

Identify which type of radiation (α\alphaα-particles, β\betaβ-particles, or γ\gammaγ-rays) matches each characteristic description below:

  1. It is the most ionizing of the three types of radiation.
  2. It has the greatest penetrating depth through materials.
  3. It has a net positive charge.
[3]
b.

A sample of radioactive material contains 120 mg120\text{ mg}120 mg of a radioactive isotope. The half-life of this isotope is 8 days8\text{ days}8 days.

Calculate the mass of the isotope remaining in the sample after 24 days24\text{ days}24 days.

[3]
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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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