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5.2.4a Half-life

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Question 10

What term describes the time taken for the number of unstable nuclei in a sample of a radioactive isotope to decrease to 12\displaystyle \frac{1}{2}21​ of its original value?

A

background radiation

B

half-life

C

ionization

D

nuclear fission

Markscheme

5.2.4a Half-life Questions

  1. IGCSE
  2. /Physics
  3. /5.2.4a Half-life

144 exam-style questions on CIE IGCSE Physics 5.2.4a Half-life. Each one has a worked solution and a mark scheme showing where the marks go.

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