Skip to content

Course home

Sign up

4.2 Atoms and nuclear radiation

EasyMediumHard
123456789101112131415161718192021222324252627282930
Question 23
H

A sample of an isotope with a half-life of 30 years is stored until its activity has fallen to one sixty-fourth of its initial value. How long does this take?

[1]
A

180 years

B

150 years

C

240 years

D

1920 years

Markscheme

4.2 Atoms and nuclear radiation Questions

  1. GCSE
  2. /Physics
  3. /4.2 Atoms and nuclear radiation

40 exam-style questions on AQA GCSE Physics 4.2 Atoms and nuclear radiation, covering 4.2.1 Radioactive decay and nuclear radiation, 4.2.2 Nuclear equations, 4.2.3 Half-lives and the random nature of radioactive decay, and 4.2.4 Radioactive contamination. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank