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5.2.4a Half-life

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Question 30

A radioactive substance has a half-life of 3 days. At the beginning of an investigation, the substance emits 4800 α\alphaα-particles per hour.

How many α\alphaα-particles will it emit per hour after 12 days?

A

300

B

600

C

1200

D

2400

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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