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6.5 Uses and dangers of radioactivity

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Question 22
F

At a particular position, a worker receives a radiation dose of 3 μSv3\ \mu\mathrm{Sv}3 μSv each minute. A screen reduces this rate to one-third. The worker spends 6 minutes behind the screen. What dose does the worker receive?

[1]
A

18 μSv18\ \mu\mathrm{Sv}18 μSv

B

6 μSv6\ \mu\mathrm{Sv}6 μSv

C

2 μSv2\ \mu\mathrm{Sv}2 μSv

D

9 μSv9\ \mu\mathrm{Sv}9 μSv

Markscheme

6.5 Uses and dangers of radioactivity Questions

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

97 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.

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