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5.2.4a Half-life

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Question 4

A sample contains 600 mg of a radioactive isotope.

The half-life of this isotope is 8 hours8\text{ hours}8 hours.

What mass of the isotope remains after 24 hours24\text{ hours}24 hours?

A

75 mg75\text{ mg}75 mg

B

150 mg150\text{ mg}150 mg

C

200 mg200\text{ mg}200 mg

D

300 mg300\text{ mg}300 mg

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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