Skip to content

Course home

Sign up

6.5 Uses and dangers of radioactivity

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657
Question 5

In a nuclear reactor utilizing plutonium-239, which of these particles must be absorbed by a plutonium-239 nucleus to trigger induced nuclear fission?

A

a positron

B

a neutron

C

a proton

D

an alpha particle

Markscheme

6.5 Uses and dangers of radioactivity Questions

  1. GCSE
  2. /Physics
  3. /6.5 Uses and dangers of radioactivity

94 exam-style questions on Edexcel GCSE Physics 6.5 Uses and dangers of radioactivity, covering 6.5.1 Uses of radioactivity, 6.5.2 Dangers of ionising radiation and precautions, 6.5.3 Half-life and radiation dangers, 6.5.4 Safety precautions for radiation exposure, and 6.5.5 Contamination and irradiation. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank